ABSTRACT

POLLUTION atmospheric obscurity observateur m AERONAUT observer observation / CONSTR observation, IMPRIM epreuve,

ecran viewing, NAUT observation; - aerlenne/ POLLU MER aerial reconnaissance; - de radarsonde / AERONAUT radarsonde observation

observatoire m ASTRONOMIE observatory; - astronomique en orbite m ASTRONOMIE orbiting astronomical observatory; - astronomlque orbital m ESPACE orbiting astronomical observatory; - astronomique sur orbite m ASTRONOMIE orbiting astronomical observatory; - des marees m OCEANO tide station; - meteorologique m ESPACE communications, METEO, NAUT weather station; - solaire en orbite m ASTRONOMIE orbiting solar observatory; - solaire sur orblte m ASTRONOMIE orbiting solar observatory; - spatial m ESP ACE space 0 bservatory

humides / NUCLEAlRE wet ashing obturateur m CINEMAT shutter, CONS MECA obturator,

obturateur-raccord m PRODUCTION coupling blanking plug

lar obtusite / GEOMETRIE obtuseness obus m MILITAIRE shell; - charge m MILITAIRE live shell;

- II charge nucleaire m MILITAIRE nuclear shell; - guide m MILITAIRE smart shell; - perforant m MILITAIRE antiarmor warhead (ArnE), antiarmour warhead (BrE)

obusier m MILITAIRE howitzer occlus adj CHIMIE gaz occluded

odometre

dustrielbinary-coded octal octamere m CHIMIE octamer octanal m CHIMIE oct anal octane m CHIMIE octane Octant m ASTRONOMIE Octans octave/ ACOUSTIQUE, ELECTRON, PHYSIQUE octave octene m CHIMIE octene octet m CHIMIE octet, ELECTRON eight-bit byte, INFOR-

MAT byte, octet, ORDINAT octet octode/ELECTRON octode octodecylene m CHIMIE octadecyl octogonal adj GEOMETRIE octagonal octogone m GEOMETRIE octagon octose/ CHIMIE octose octovalent a4i CHIMIE octavalent, octovalent octupole m CONSTR octupole octyle m CHIMIE octyl octylene m CHIMIE octene octyne m CHIMIE octyne oculaire m ASTRONOMIE d'un telescope, EQUIP LAB d'un

microscope, ESPACE eyepiece, INSTRUMENT eyepiece, eyepiece lens, PHOTO eyepiece lens, PHYSIQUE eyepiece; - Barlow m ASTRONOMIE Barlow lens; - coude m INSTRUMENT star diagonal; - de Huygens m PHYSIQUE Huygens' eyepiece; - du microscope de lecture m INSTRUMENT microscope eyepiece; - orthoscopique m ASTRONOMIE orthoscopic eyepiece; - de Ramsden m PHYSIQUE Ramsden eyepiece; - reglable m CINEMAT, PHOTO adjustable eyepiece; - II reticule m ASTRONOMIE reticle eyepiece; - II reticule eclaire m ASTRONOMIE illuminated reticle eyepiece; - de visee m CINEMA T eyepiece, PHOTO viewfinder eyepiece; - de viseur m CINEMAT viewfinder eyepiece

POLLUTION acrid odor (ArnE), acrid odour (BrE) odometre m CONSTR odometer

odontographe

odontographe m CONS MEGA odontograph odontolltefMlNERAUX odontolite odorant adj GENIE CHIM, POLLUTION odorous odoriflque adj CHIMIE odoriferous odorlsant m PETROLE detection des gaz odorant odorlsationf GAZ odorization oeil m CERAM VER, CONS MECA d'un outil eye, CONSTR

d'une penture knuckle, METEO d'un cyclone eye, NAUT d'un cordage, metallique eye, d'un cordage loop, PRODUcnON drawhole, mouth, tap hole, d'une aiguille eye; - de Berlin m RESSORTS Berlin eye; - de caractere m IMPRIM, INFORMAT typeface; - droit m RESSORTS upturned eye; - epaule m RESSORTS Berlin eye; - d'une &toffe m MATERIAUX sheen; - fixe m RESSORTS fixed loop; - forge m RESSORTS forged eye; - de la lettre m IMPRIM z-height; - de levage m AERONAUT hoisting eye; - maglque m ELECTRON magic eye; - ill queue flletH m CONS MECA eye-bolt

oell-de-chat m CONSTR, MlNERAUX cat's eye (TM) oell-de-tigre m MINERAUX tiger's eye oeillard m CONS MECA d'un ventilateur, d'une pompe

centrifuge ear, d'une meule en emeri hole, d'un ventilateur, d'une pompe centrifuge intake, PRODUcnON d'un ventilateur, d'une pompe centrifuge intake

oeillet m EMBALLAGE, IMPRIM eyelet, PHOTO de fixation de la courroie ring, PRODUCTION eyelet; - de m&tal m PRODUcnON metal eyelet

oeilleton m CINEMAT eyepiece; - d'oculaire m CINEMAT, PHOTO eyecup; - de visee m PHOTO eyepiece

oellacherltefMINERAUX oellacherite oenanthal m CHIMIE oenanthal oenanthinef CHIMIE oenanthin oenanthlque adj CHiMlE oenanthic oenanthol m CHIMIE oenanthol oenanthylate m CHIMIE oenanthylate oenanthyllque adj CHIMIE oenanthylic oersted m CONSTR oersted oestradiol m CHIMIE oestradiol oestriol m CHiMlE oestriol oestronef CHIMIE oestrone oeut - en poudre m AGRO ALIM powdered egg oeuvres: - mortes f pI NAUT dead works, topsides,

upper works, PETROLE platform equipment; - vives f pI NAUT quickworks, underwater hull

office m AERONAUT galley; - designe m BREVETS designated office; - 81u m BREVETS elected office;- recepteur m BREVETS receiving office

OffIce: - de recherches et d'essais m CH DE FER Office for Research and Experiments

officier: - charge des marchandises m NAUT cargo officer; - en second m NAUT first mate, first officer; - general m NAUT flag officer; - marinier m NAUT petty officer; - mecanicien en second m NAUT second engineer; - navigateur m NAUT navigation officer; - de pont m NAUT deck officer; - radio m NAUT radio officer

offre m TELECOM offer offset m IMPRIM offset; - en creux m IMPRIM offset deep

printing; - sec m IMPRIM dry offset offshore m PETROLE offshore oil industry ogivefESPAcE vehicules missile warhead; - de guldagef

CONS MECA outil guide bush; - de montantfcoNSTR poststaff

ohm m ELECTR, ELECTROTEC, METROLOGIE, PHYSIQUE ohm; - &talon m ELECTR standard ohm

ohmique atijELECTR resistance, ELECTROTEC ohmic

ohmmetre m ELECTR, ELECTROTEC, MINES, PHYSIQUE, TELECOM ohmmeter; - a magneto m ELECTR Megger (TM)

oidium m AGRO ALIM powdery mildew oignon m CERAM VER onion Olseau: - Indien m ASTRONOMIE Indus; - de Paradis m

ASTRONOMIE Apus okenitefMINERAUX okenite oleandrinef CHIMIE oleandrin ol8ate m CHIMIE oleate ol8fiant adj CHIMIEgaz oil-forming olMine f CHIMlE, LESSIVES, PETROLE chimie, raffinage

olefin, olefine ol8finesf pI PETR olefins ol8finlque adj CHiMlE olefinic ol8inefcHIMIE olein 018lque adj CHIMIE acide, ether oleic ol80bromlefpHOTo bromoil print OI80duc m NAUT pipeline, PETR, PETROLE, TRANSPORT

oil pipeline ol80mMre m CHiMlE oleometer, CONS MECA oilometer,

METROLOGIE aerometer, PRODUcnON oil gage (ArnE), oil gauge (BrE)

ol8ophile adj CHIMIE, POLLU MER oleophilic oleophosphorlque adj CHIMIE oleophosphoric oleoreseau m PETROLE hydrant system oleoreslne f CHIMIE oleoresin oleoresineux adj CHIMIE oleoresinous ol8oserveur m AERONAUT servicer oleosoluble adj PLAST CAOU peinture oil-soluble oleovltaminef CHIMIE oleovitamin ol8um m CHIMIE, LESSIVES oleum oligoclase fMlNERAUX oligoclase oligo-element m CHIMIE microelement, trace element,

GEOWGIE trace element, HYDROLOGIE micronutrient, POLLUTION trace element

oligomere' adj CHiMlE oligomeric 0ligomere2 m CHIMIE, PLAST CAOU oligomer oligomerisation f MATERIAUX chimie, PLAST CAOU

procede oligomerization oligomycinef CHIMIE oligomycyn oligonltefMlNERAUX oligon spar, oligonite ollstollthe m GEOLOGIE olistolith olivefcERAMvER bulb, oval punt, coNsTRoval knob olivenitef MINERAUX olivenite ollvlnefMINERAuX olivine ombelJlque adj CHIMIE acide umbellic ombilical' adj GEOLOGIEpa!eontologie umbilical ombilical2 m OCEANO diver's umbilical, umbilical ombrage: - continu m CINEMAT drop shadow ombre f CINEMAT, IMPRIM, PHOTO shadow; - aerody-

namlque f AERONAUT blanking effect; - propre f ESPACE vehicules eigenshadow; - pure f PHYSIQUE umbra

ombre adj IMPRIM shaded OMI abrev (Organisation maritime internationale)

NAUT IMO (International Maritime Organization) omnibus m CH DE FER vehicules local train (ArnE), slow

train (BrE), stopping train (ArnE) omphacitefMlNERAUX omphacite once f METROWGIE ounce avoirdupois, ounce, ounce

troy; - avoirdupoids f METROLOGIE ounce, ounce avoirdupois; - troyfMETROLOGIE ounce, ounce troy

oncolithe m GEOLOGIE oncolith onde f ACOUSTIQUE wave, CERAM VER ream, ELECTR

PHYSIQUE, TELECOM wave; - A4 / IMPRIM lac-simile, telephotographie A4 wave; - acoustique /ELECTROTEC acoustic wave, PHYSIQUE, TELECOM sound wave; - acoustique en volume / ELECTROTEC BA W, bulk acoustic wave; - acoustlque de surface/ ELECTRON, TELECOM SAW, surface acoustic wave; - aerienne / PETR air pulse, airwave; - aerienne stationnaire/PHYS ONDES stationary aerial wave; - caplllaire / OCEANO capillary wave; - carree/ELECTRON, PHYSIQUE square wave; - de ChOC/GEOPHYS, MINES, PETR, PHYS ONDES, PHYSIQUE shockwave; - de choc adlabatlque /ESPACE vehicules adiabatic shockwave; - de choc amont / AERONAUT bow wave; - de choc de la comilte / ASTRONOMIE comet shockwave; - de choc de compression / GEOPHYS shockwave; - de choc geomagnetique/EsPAcE magnetosphere bow shock; - de combustion thermonucl8alre/NuCLEAIRE thermonuclear combustion wave; - complexe/TELECOM complex wave; - composee/ocEANo compound tide; - composite/TELECOM composite wave; - de compression / ACOUSTIQUE, ENREGISTR compressional wave, GEOLOGIE P-wave, compressional wave; - cosinusoidale / GEOMETRIE cosine wave; - courte / ELECTR rayonnement, PHYS ONDES radio SW, short wave; - de cruel HYDROLOGIE flood wave; - cylindrique/ ACOUSTIQUE cylindrical wave; - declmetrique/ TELECOM decametric wave; - de detente / AERONAUT bang sonique expansion wave; - de detonation/MINEs detonation wave; - diffract" / PHYSIQUE diffracted wave; - de dilatation/GEOLOGIE dilatational wave;- dlrecte/ELEcTROTEC forward wave, forward-traveling wave (ArnE), forward-travelling wave (BrE) , GEOLOGIE direct wave, TELECOM ground wave; - diurne/ocEANo diurnal wave; - 81astlque /ELECTROTEC elastic wave, GEOLOGIE seismic wave, PHYSIQUE elastic wave; - 81ectrique/ELEcTROTEC electric wave; - 81ectromagnetique / ELECTR, ELECTROTEC, PHYS ONDES, PHYSIQUE, TELECOM electromagnetic wave; - electromagnetlque externe / PHYS RAYON external electromagnetic wave; - 81ectromagnetique hybride/ ELECTR moteur hybrid electromagnetic wave; - electromagnetique transversale / ELECTR transverse electromagnetic wave; - entretenue / ELECTROTEC CW, continuous wave, ENREGISTR continuous wave, PHYS ONDES CW, continuous wave, TV continuous wave; - entretenue modul8e / TV modulated continuous wave; - equlvolumlque / ACOUSTIQUE shear wave; - evanescente /PHYSIQUE evanescent wave; - explosive/MINES detonation wave, explosion wave, shockwave; - fondamentale / OCEANO ground swell, ground wave; - gravltatlonnelle / ASTRONOMIE, PHYSIQUE gravitational wave; - de gravite / OCEANO gravitational wave, gravity wave, PHYS ONDES, PHYSIQUE gravity wave; - guldee/ OPTIQUE, TELECOM guided wave; - guidee optlque /ELECTROTEC optical guided wave; - hertzlenne /ELECTRON, ELECTROTEC radio wave, PHYS ONDES airwave, radio wave, PHYSIQUE radio wave; - hyperfrequence / ELECTR, ELECTRON, PHYS ONDES, PHYSIQUE, TELECOM microwave; - incldente / PHYS ONDES, PHYSIQUE incident wave; - d'inertle/ OCEANO inertial wave; - Interne/ OCEANO internal wave; - inverse/ELEcTROTEC backward wave, progressive reverse traveling wave (ArnE), reverse travelling wave (BrE); - ionospherlque/PHYSIQUE sky wave; -lente/ELEcTROTEC slow wave; -Iongltudinale/ ACOUSTIQUE longitudinal

onde

wave, GEOLOGIE P-wave, compressional wave, PHYS ONDES, PHYSIQUE longitudinal wave; - longltudinale statlonnalre / PHYS ONDES stationary longitudinal wave; - lumlneuse / ELECTRON, PHYS ONDES light wave; - lumineuse stationnaire/PHYS ONDES stationary light wave; - lunaire / OCEANO lunar wave; - lunisolaire /OCEANO lunisolar wave; - magnetique/ ELECTROTEC magnetic wave; - magnetohydrodynamique / (onde MHD) GEOPHYS magnetohydrodynamic wave (MHD wave); - de maree / GEOPHYS tidal wave, tsunami, NAUT tidal wave, OCEANO harmonic component, tidal component; - mecanique/ELEcTROTEC mechanical wave;- mBtrique / TELECOM metric wave; - MHO / (onde magnetohydrodynamique) GEOPHYS MHD wave (magnetohydrodynamic wave); - mobile / ELECTR ligne line transient; - modulante / ELECTRON, TV modulating wave; - de modulation/ELECTRON modulating wave; - modulee / ELECTRON, ENREGISTR modulated wave; - moyenne/ELEcTR, PHYS ONDES radio MW, medium wave; - myriametrique/TELECOM very large-scale integration circuit; - nocturne / AERONAUT night wave; - normale / ELECTROTEC fast wave; - de nuit/ AERONAUT night wave; - optique/ ELECTROTEC optical wave; - optique guid8e / ELECTROTEC optical guided wave; - P / GEOLOGIE P-wave, dilatational wave, PHYSIQUE P-wave; - periodique / ELECTROTEC periodic wave; - plane / ACOUSTIQUE, ELECTROTEC, ESPACE, OPTIQUE, PHYSIQUE, TELECOM plane wave; - plane polarlsee/PHYS ONDES plane-polarized wave; - ill polarisation rectiligne/ELEcTROTEC linearly-polarized wave; - polaris8e circulairement/ ACOUSTIQUE, PHYSIQUE circularly-polarized wave; - polaris8e elllptiquement / ACOUSTIQUE, PHYSIQUE elliptically-polarized wave; - polarlsee lineairement / ACOUSTIQUE linearly-polarized wave; - polaris8e rectilignement / PHYSIQUE linearly-polarized wave, plane-polarized wave; - porteuse/ELECTRON carrier, NAUT common carrier, PHYS ONDES, PHYSIQUE, TV carrier wave; - porteuse d'image/IMPRIM teletransmission. video pixel carrier, TV image carrier; - de pression / TELECOM pressure wave; - progressive / ACOUSTIQUE, ELECTRON traveling wave (ArnE), travelling wave (BrE), ELECTROTEC forward wave, forward-traveling wave (ArnE), forward-travelling wave (BrE), PHYS ONDES, PHYSIQUE traveling wave (ArnE), travelling wave (BrE), TELECOM outward propagating wave, traveling wave (ArnE), travelling wave (BrE); - progressive directe/ELEcTROTEC forward wave, forward-traveling wave (ArnE), forward-travelling wave (BrE); - progressive inverse / ELECTROTEC backward wave; - prolongee / MINES collision wave; - de propagation / GEOPHYS shockwave; radio / ELECTRON radio wave; radlo8lectrique / ELECTR, ELECTRON, ELECTROTEC, GEOPHYS, PHYSIQUE, TELECOM radio wave; - de Rayleigh / PHYSIQUE Rayleigh wave; - rectangulalre / ELECTROTEC rectangular wave, ENREGISTR, PHYSIQUE square wave; - reflechie / ELECTROTEC backward wave, reflected wave, OCEANO, PHYS ONDES, PHYSIQUE reflected wave; - de r8flexion / GEOPHYS reflection wave; - de refraction / GEOPHYS, PETR refraction wave; - regressive / ELECTROTEC backward wave, reverse traveling wave (ArnE), reverse travelling wave (BrE), TELECOM inward propagating wave; - retrograde/MINEs retonation wave; - rotationnelle/

ondelette

ACOUSTIQUE shear wave; - S/GEOLOGIE shear wave, PHYSIQUE S-wave, secondary wave; - de s6lsme / GEOPHYS seismic wave, surface wave; - semi-diurne/ OCEANO semi diurnal wave; - sinusoTdale / ACOUSTIQUE, ELECTR, ELECTRON sine wave, PHYS ONDES sine wave, sinusoidal wave, GEOM sine wave; - sismique/ GEOLOGIE seismic wave, GEOPHYS seismic wave, surface wave, surface wave, PHYS ONDES, PHYSIQUE seismic wave; - au SOI/PHYS RAYON groundwave; - de SOl/TELECOM ground wave; - sonore / ACOUSTIQUE, PHYS ONDES, PHYSIQUE, TELECOM sound wave; - sonore perlodlque/PHYS ONDES periodic sound wave; - spherique / ACOUSTIQUE spherical wave, ELECTROTEC sphere wave, PHYS ONDES, PHYSIQUE spherical wave; - de spins/PHYSIQUE spin wave; - stationnaire / ACOUSTIQUE, ELECTROTEC, ENREGISTR standing wave, PHYS ONDES standing wave, stationary wave, PHYSIQUE, TELECOM standing wave, stationary wave; - superficielle/GEOPHYS surface wave; - superleure/ OCEANO surface wave; - de surface/OPTIQuE surface wave; - TE / ELECTROTEC H-wave; - de tempiite / OCEANO storm surge, storm tide; - de tension /ELECTROTEC voltage surge; - TM/ELECTROTEC E-wave;- topographlque/ocEANo topographic wave; - tourbillonnalre/ ACOUSTIQUE rotational wave; - transmise/ PHYSIQUE transmitted wave; - transversale/ ACOUSTIQUE, ELECTROTEC transverse wave, GEOLOGIE shear wave, PHYS ONDES, PHYSIQUE, TELECOM transverse wave; - transversale 81ectrique / ELECTROTEC, PHYSIQUE, TELECOM transverse electric wave; - transversale electromagniitique / ELECTROTEC transverse electromagnetic wave, PHYSIQUE transverse electric and magnetic wave; - transversale magn8tique / ELECTROTEC, PHYSIQUE transverse magnetic wave; - ultracourte / ELECTR, ELECTRON, PHYS ONDES, PHYSIQUE, TELECOM microwave

ondelette/PHYS ONDES wavelet onde-maree/ OCEANO tidal component ondemetre m PHYS ONDES, PHYSIQUE wavemeter; - he-

terodyne m PHYS ONDES beat frequency wavemeter, heterodyne wavemeter

ondes: - brogllennes/ pi PHYSIQUE de Broglie waves; - de capillarlte / pi OCEANO capillary waves; - centim8triques / pi PHYSIQUE centimeter waves (ArnE), centimetre waves (BrE); - de choc nucl8aires / pi PHYS RAYON nuclear shock waves; - circulaires / pi PHYS ONDES circular waves; - coherentes / pi PHYSIQUE coherent waves; - dans les fluides / pi PHYS FLUID fluid waves; - de de Broglie / pi ELECTROTEC, PHYS RAYON, PHYSIQUE de Broglie waves; - de densite / pi ASTRONOMIE density waves; - de gravlte en eau profonde / pi PHYSIQUE deep-water waves; - harmoniques / pi PHYS ONDES harmonic waves; - lumlneuses / pi PHYS ONDES visible light; - millimetrlques / pi PHYSIQUE millimeter waves (ArnE), millimetre waves (Br E); - planes paralleles / pi PHYS ONDES d'une source eloignt!e plane parallel waves; - polaris8es / pi PHYS ONDES polarized waves; - progressives / pi PHYS ONDES progressive waves; - radar / pi PHYS RAYON radar waves; - slsmiques / pi GEOLOGIE ondes de volume body waves; - sonores adlabatlques/pl PHYS ONDES adiabatic sound waves; - transversales stationnaires / pi PHYS ONDES stationary transverse waves; - ultracourtes / pi PHYS ONDES ultrashort waves; - ultrasonores / pi PHYS ONDES ultrasonic waves

ondin m OCEANO ice ridge ondometre m NAUT wavemeter

ondulation/ ACOUSTIQUE ripple, CONSTR ringing, ripple, ELECTROTEC current ripple, IMPRIM, PAPIER corrugation; - du courant / ELECTROTEC current ripple; - efficace maxlmale / PRODUCTION electricite maximum ripple current; - en bande passante / CONSTR ringing; - reslduelle / CONSTR ripple; - de rouleau / CERAM VER roller bump; - de la tension / CONSTR ripple voltage

ondulatolre adj PHYS PART wave-like ondul8 adj CERAM VER wavy, CONS MECA, PAPIER corru-

gated, TELECOM sur/ace undulating onduleur m ELECTR transducteur, ELECTRON inverter,

ELECTROTEC static inverter, TELECOM inverter; - synchrone m ELECTROTEC synchronous inverter; - a thyratrons m ELECTRON thyratron inverter

onglet m CONSTR miter (ArnE), mitre (BrE), IMPRIM guard, /afonnage. reliure. carton index tab, miter (ArnE), mitre (BrE), INFORMAT, ORDINAT tab; - d8bordant m IMPRIM index tab; - d'encadrement m CONSTR chamfered joint, miter joint (ArnE), mitre joint (BrE); - de retour m IMPRlMjinition. /afonnage foldover edge

onguentm CUlMIE ointment onyx m MINERAUX onyx; - d' Algerie m M1NERAUX Alge-

rian onyx; - calcaire m M1NERAUX Algerian onyx OOR abrev (oscillateur a ondes retrogrades) TELECOM

BWO (backward wave oscillator) OP abrev (ordinateur personnel) INFORMAT,ORDINAT

PC (personal computer) opacifiant1 adj CUlMIE agent opacifying opaclfiant2 m (Fra) (c/ opalisant) CERAM VER opacifier opaclmetre m CHIMIE opacimeter, PAPIER opacimeter,

opacity tester opacite/cHIMlE, IMPRlM opacity, MATERIAUX opacity,

opaqueness, PAPIER, PHYSONDES, PHYSIQUE opacity; - de contraste/PAPIER contrast ratio; - d'impression/ PAPIER printing opacity; - du panache/cERAM VER plume opacity; - sur fond blanc / PAPIER opacity white backing; - sur fond papier / PAPIER opacity paper backing

opale/IMPRIM heliogravure, MINERAUX opal; - au pot/ CERAM VER pot opal

opalescence /HYDROLOGIE opalescence opaline/ CERAM VER opaline opalisant m (Bel) (c/ opacifiant) CERAM VER opacifier opaque adj IMPRIM photogravure. in/ormatique opaque OPEP abrev (Organisation des pays exportateurs de

operande m INFORMA T, ORDINAT operand operateur1 m CINEMAT cameraman, IMPRIM, INFORMAT,

ORDINAT, PETROLE operator, TELECOM operator, switchboard operator (ArnE), telephone operator (ArnE), telephonist(BrE); - d'actualites m CINEMAT newsreel cameraman; - arithmetique m ORDINAT arithmetic operator; - banc-titre m CINEMAT rostrum camera operator; - booleen m INFORMAT, ORDINAT Boolean operator; - de clavier-ecran m PRODUCTION VDU operator; - de collisions de Krook m NUCLEAlRE Krook's collision operator; - logique m ELECTRON logic operator, INFORMAT, ORDINAT logic operator, logical operator; - de projection m CINEMAT projectionist; - de prompteur m TV cuer; - de quart m NUCLEAIRE poste on-shift operator; - de radar m

MILIT AIRE, NAUT radar operator; - realisateur m CINEMAT camera director; - relationnel m INFORMAT, ORDINAT relational operator

operateur:2 - provisolrement absent loc TELECOM operator temporarily unavailable

operation I CONS MECA, INFORMAT, MATH, ORDINAT operation, PRODUCTION stage; - arithmetlquel ORDINAT arithmetic operation; - assistee I INFORMAT, ORDINAT hands-on operation; - binaire IORDINAT binary operation; - centrallsee IORDINAT centralized operation; - de changement de prises/ELECTR tap change operation; - a constance du nombre de lignel TV constant line number operation, drift lock; - declasseel PRODUCTION out-of-sequence operation; - discontinue lAGRO ALIM, GENIE CHIM batchwise operation; - en mode duplex/oRDINAT duplex operation; - en mode seml-duplex/oRDINAT half-duplex operation; - en mode simplex I ORDINAT simplex operation; - en virgule flottante IINFORMAT, ORDINAT floating point operation; - ET I ORDINAT AND operation; - de fabricatlon/pAPIER making; - de gestion inteme/fNFORMAT housekeeping operation; - hors sequence I PRODUCTION out-of-sequence operation; - lIIegale I INFORMA T, ORDINAT illegal operation; - logique/ELECTRON logic operation, INFORMAT logic operation, logical operation, ORDINAT logical operation; - machine IINFORMAT, ORDINAT machine operation; - manuellel INFORMAT, ORDINAT manual operation; - monadlque IINFORMAT, ORDINAT monadic operation; - NI I INFORMAT, ORDINAT NOR operation; - NI excluslf IINFORMAT, ORDINAT equivalence operation, exclusive NOR operation; - NON IINFORMAT, ORDINAT NOT operation; - non assistee IINFORMAT, ORDINAT hands-off operation; - NON-ET IINFORMAT, ORDINAT NAND operation; - OU IINFORMAT, ORDINAT OR operation; - OU exclusif I INFORMAT, ORDINAT exclusive OR operation, nonequivalence operation; - OU inclusif I INFORMAT, ORDINAT inclusive OR operation; - a plier les anneaux/RESSORTS looping; - privilegiee/INFORMAT, ORDINAT privileged operation; - de refroidlssementl REFRIG cooling down; - de rendre rugueux/coNSTR deadening; - de sauvetage I SECURITE rescue operation; - sequentielle IINFORMAT, ORDINAT serial operation; - deservitude/oRDINAT housekeeping operation; - de seuil/INFORMAT, ORDINAT threshold operation; - simple I CONS MECA single operation; - sur chainel INFORMAT string operation; - sur fichier I PRODUCTION automatisme industriel file operation; - det8lechargement/pRODUCTION automatisme industriel download operation; - de trempe et revenu I RESSORTS quenching and tempering; - unaire IINFORMAT, ORDINAT unary operation

operations: - dlstanteslplTELECOM RO, remote operations; - d'entretien mineures et majeures I pi AERONAUT minor and major servicing operations; - de foragel pi PETROLE drilling operations

operatrice/TELECOM operator, telephonist operculage m IMPRIM emballage heat seal opercule m INST HYDR de valve, de cia pet cap, de vanne

d' arri!t cutoff plate; - de detente m INST HYDR expansion slide; - en aluminium mince m EMBALLAGE foil sealing; - fraicheur m EMBALLAGE freshness seal; - soude par impulsion m EMBALLAGE induction inner seal; - devannemINSTHYDR shuttle plate

operer l vt PRODUCTION operate

orbite

operer:2 - une rotation de phase vi ELECTRON shift phase; - un sondage vi MINES put down a borehole

Ophiuchus m ASTRONOMIE Ophiuchus ophtalmometre m INSTRUMENT ophthalmometer opiace m CHIMIE opiate opianique adj CHIMIE opianic opianyle m CHIMIE opianyl opium m CHIMIE opiate oppose adj GEOMETRIE opposite, vertical oppositlon: l en - de phase adj ELECTRON, PHYSIQUE in

phase opposition oppositlon2 I ASTRONOMIE d'une planete, BREVETS oppo-

sition; - de phase/ELEcTRON phase opposition, PETR phase inversion, phase reversal

optimisation/INFORMAT, ORDINAT optimization; - de la commande adaptative I COMMANDE ACO, adaptive control optimization; - de la masse/EsPAcE vehicules weight optimization; - a reaction/coMMANDE feedback process optimization

optimiser vt INFORMAT, ORDINAT optimize optimlseur: - de tiites video m TV video head optimizer option/pETROLE contrats, permis, PRODUCTION option;

- de jalonnement/pRODUCTION scheduling option options: - materielleslpl PRODUCTION optional hard-

ware optlque I CINEMAT lens; - de condensateur I PHOTO

condensing lens; - d'eclairage/INsTRUMENT illumination optics; - 81ectronique I PHYSIQUE electron optics; - de fibre I CERAM VER, ELECTROTEC, INFORMAT, OPTIQUE, ORDINAT, PHYSIQUE fiber optics (ArnE), fibre optics (BrE); - geometrique/oPTIQuE geometric optics, ray optics, PHYSIQUE, TELECOM geometric optics; - inverseuse de faisceau I TV beam reversing lens; - ondulatoire IOPTIQUE physical optics, wave optics, TELECOM wave optics; - physiquel OPTIQUE physical optics, wave optics, PHYSIQUE, TELECOM physical optics; - des rayons I OPTIQUE geometric optics, ray optics, TELECOM ray optics

optique-81ectrique ar:lj TELECOM O-E, optical-electrical optocoupleur m TELECOM optocoupler opt08lectronique l adj OPTIQUE, TELECOM optoelectronic opto8lectronique2 I ELECTRON optronics, ELECTROTEC,

INFORMAT, ORDINAT, PHYSIQUE, TELECOM optoelectronics

or m (Au) CHIMIE gold (Au); - alluvionnien m MINES placer gold; - brill ant m CERAM VER bright gold; - flottant m MINES float gold; - flottant m MINES floating gold; - de lavage m MINES placer gold; - liquide m CERAM VER liquid gold; - transparent m CERAM VER starved gold

orage: - electrique m METEO electrical storm; - 81ementaire m GEOPHYS ionospheric substorm; - de griile m METEO hailstorm; - magnetique m ESPACE geophysique, GEOPHYS magnetic storm; - solaire m GEOPHYS solar storm, substorm

orangltel MINERAUX orangite orbital ar:ljEsPAcE, PHYSRAYON orbital orbltale I PHYS RAYON orbital; - antlllante atomique I

PHYS RAYON antibonding atomic orbital; - antiliante mol8culaire/pHYS RAYON anti bonding molecular orbital; - d'un atome I PHYS PART atomic orbital;- atomique/cHIMIE, PHYSIQUE atomic orbital; - hybride I CHIMIE hybrid orbital; - moieculaire I PHYSIQUE molecular orbital

orblte: l en - aut~ur de la Terre adj ESPACE Earth-orbiting; en - polaireadjEsPAcE polar-orbiting

orbite

orblte2 I ASTRONOMIE orbit, CHIMIE orbital, ESPACE, PHYSIQUE orbit; - d'attente I ESPACE interim orbit, parking orbit, MILITAIRE d'un satellite park orbit; - d'attente ill proximite de la Terre IESPACE Earth parking orbit; - basse I ESPACE low-altitude orbit; - clrculalre/EsPAcE circular orbit; - de cometel ASTRONOMIE cometary orbit; - de derive/ESPACE drift orbit; - de descente/ESPAcE descent orbit; - directel ESPACE direct orbit; - elliptique I ASTRONOMIE, PHYSIQUE elliptical orbit; - en halo I ESPACE halo orbit; - ill ensoleillement constant/ESPAcE sun-synchronous orbit; - equatorlale I ESPACE equatorial orbit; - excentrlque I ASTRONOMIE eccentric orbit;- geostationnalre I PHYSIQUE geostationary orbit;- geosynchrone/ESPAcE Earth synchronous orbit, geosynchronous orbit; - hyperbollque I ESPACE hyperbolic orbit; - Kepl6rienne/EsPAcE Keplerian orbit; - lunaire/EsPAcE lunar orbit; - moleculalrel CmMIE molecular orbital; - non perturbee/ESPACE Keplerian orbit, unperturbed orbit; - polalre/EsPAcE polar orbit; - quasi-parabolique IESPACE near parabolic orbit; - de rebut I ESPACE graveyard orbit; - retrograde I ASTRONOMIE, ESPACE retrograde orbit; - des satellites g60stationnaires IESPACE geostationary satellite orbit; - statlonnaire IESPACE stationary orbit; - terrestre/EsPAcE Earth orbit; - detransfertl ESPACE transfer orbit

orbiter vi ESPACE orbit orblteur m ESPACE orbiter; - recuperable m ESPACE

vehicules recoverable orbiter; - Viking m ASTRONOMIE Viking orbiter

orbitographie/EsPAcE orbit tracking orc6lne/CmMIE orcein ordinal m INFORMAT serial number, MATH ordinal num-

ber ordlnateur m ELECTR appareil, INFORMAT computer, OR-

DINAT computer, stored program computer; - de bureau m INFORMAT, ORDINAT desktop computer; - clble m INFORMAT target computer; - de cinquleme generation m INFORMAT, ORDINAT fifth-generation computer; - de communication Inter-reseau m INFORMAT gateway computer; - compllateur m ORDINAT source machine; - de compilation m INFORMAT source machine; - domestlque m ORDINAT home computer; - d'execution m INFORMAT target computer; - familial m INFORMAT home computer; - frontal m TELECOM front-end processor; - de haute gamme m ORDINAT high end computer; - hote m INFORMAT, ORDINAT host computer; - hybride m INFORMAT, ORDINAT hybrid computer; - ill Jeu d'instructions complexe m ORDINAT elSe, complex instruction set computer; - ill Jeu d'instructlons reduit m INFORMAT, ORDINAT RISe, reduced instruction set computer; - ill mots de longueur fixe m INFORMAT, ORDINAT fixed wordlength computer; - ill mots de longueur variable m INFORMAT, ORDINAT variable word length computer; - numerlque m INFORMAT, ORDINAT digital computer; - parallllle m INFORMAT, ORDINAT parallel computer; - passerelle m INFORMAT, ORDINAT gateway computer; - personnel m (OP) INFORMAT,ORDINAT personal computer (PC); - portable m INFORMAT, ORDINAT laptop computer; - portable autonome m INFORMAT, ORDINAT laptop computer; - de premiere generation m INFORMAT, ORDINAT first-generation computer; - ill programme enregistre m INFORMAT stored program computer; - de quatrieme generation m INFORMAT,

ORDINAT fourth-generation computer; - Rise m INFORMAT RIse, ORDINAT RIse, reduced instruction set computer; - satellite m INFORMAT, ORDINAT satellite computer; - secondaire Integre ill un systeme m IMPRIM satellite; - de seconde generation m INFORMAT, ORDINAT second-generation computer; - serle m ORDINAT serial computer; - specialise m INFORMAT dedicated computer, special-purpose computer, ORD1NAT dedicated computer; - synchrone m INFORMAT synchronous computer; - de trafic m TRANSPORT traffic computer; - de troisleme generation m INFORMAT, ORDINAT third-generation computer

ordlnatique/oRDINAT computer literacy ordlnogramme m INFORMA T flowgraph ordonnancement m PRODUCTION work assembly; -

d'ateller m PRODUCTION production scheduling; - de paquets m INFORMAT, ORDINAT packet sequencing

ordonnancer vt PRODUCTION schedule ordonnanceur m ORDINAT scheduler; - de programmes

m ORDINAT scheduler ordonn6e/INFORMAT, ORDINAT ordinate, PHYSIQUE y-

coordinate ordonner VtiNFORMAT, ORDINAT order ordre m ACOUSTIQUE d'un harmonique, CmMIE, INFOR-

MAT order, ORDINAT command, order; - d'achat suggere m PRODUCTION recommended purchase order; - d'allumage m VEHICULES moteur firing order; - architectonique m CONSTR variation order;- d'atterrissage m AERONAUT landing sequence; - de braquage de tuyere m ESPACE propulsion engine angle command; - de change m CONSTR variation order; - ill courte distance m CRISTALL, METALL short-range order; - en fabrication en cours m PRODUCTION open order; - d'entrelacement m TV interlace sequence; - de fabrication m PRODUCTION production order, work order; - de fabrication lance m PRODUCTION open order, released order; - de fabrication suggere m PRODUCTION recommended production order; - de fabrication suspendu m PRODUCTION held-up order; - de filtre m ELECTRON filter order; - ill grande distance m CRIST ALL long-range order; - de grandeur m INFORMAT, ORDINAT, PHYSIQUE order of magnitude; - d'interclassement m ORDINAT collating sequence; - d'interference m PHYSIQUE order of interference; - lexicographique m INFORMAT lexicographic order; - magn8tique m MET ALL magnetic order; - de phases m ELECTR systeme a trois phases, ELECTRON phase sequence; - de phases positif m ELECTR generateur a courant alternatif positive phase sequence; - positif m ELECTR courant alternatifpositive sequence; - prlorltaire m PRODUCTION priority order; - de priorite m INFORMAT, ORDINAT order of precedence; - de reaction m METALL order of reaction; - suggere m PRODUCTION suggested order; - de transfert en magasln m PRODUCTION warehouse order

ordre-desordre m MET ALL order-disorder ordures: - menageres I pi AGRO ALIM kitchen waste,

D1STRI EAU recirculating water economy, refuse, RECYCLAGE household waste

oralie I CONS MECA ear, lug, d'une vis ailee wing, de levage eyebolt, MECANIQUE, PRODUCTION d'un chassis de londerie lug; - d'ancre I NAUT anchor fluke; - artificiellel ACOUSTIQUE artificial ear

organe m CONS MECA component, ORDINAT unit, PRODUCTION component, VEmCULES part; de commande m TELECOM control unit; - commun m

TELECOM CE, common equipment; - de commutation automatlque m TELECOM DSE, digital switching element; - d'E/S m PRODUCTION automatisme industriel I/O hardware; - d'entree m ELECTROTEC input device; - d'ex6cutlon m ELECTROTEC actuator; - de gestlon m TELECOM control unit, management unit; - de mise en mouvement m CONS MECA starting gear; - perlpherique m TELECOM peripheral device; - de puissance m ELECTROTEC actuator; - de reglage m COMMANDE adjusting device, adjusting mechanism; - de trafic m TELECOM traffic-carrying device

organeau m NAUT anchor shackle; - d'ancre m NAUT anchor ring

organes m pi CONS MECA gear, mechanism; - accessol res m pi CONS MECA fittings; - accessoires de chaudiere m pi INST HYDR, PRODUCTION boiler fittings; - de changement de marche m pi CONS MECA reversing gear; - de commande m pi CONS MECA driving gear; - communs m pi TELECOM common control equipment; - de roulement m pi CONS MECA running gear; - de transmission m pi CONS MECA transmission gear

organicien m CHIMIE organic chemist organigramme m INFORMAT, PHYSIQUE flowchart; - de

donn'es m INFORMA T data flowchart organique adj CHIMIE/onction organic organisation: - de la copie/IMPRIM composition, mise

en page copy fitting; - de flchler /INFORMAT, ORDINAT file organization; -Internationale de piche /OCEANO international fisheries organization; - du passage papier /IMPRIM web-up

Organisation: - internationale de normalisation/ (ISO) CONS MECA, TELECOM International Standards Organization (ISO); - maritime internatlonale / (OMI) NAUT International Maritime Organization (IMO); - des pays exportateurs de petrole / (OPEP) PETROLE Organization of Petroleum Exporting Countries (OPEC)

organlsme m AERONAUT agency; - agree m QUALITE approved organization; - de certification m QUALITE certification organisation; - de controle m NAUT regulatory agency; - filtreur m RECYCLAGE filter feeder; - d'homologation m QUALITE certification body; - offlclel m PRODUCTION authority

organogene adj CHARBON organogenous organomagn'slen m CHIMIE organomagnesium organomBtallique adj CHIMIE organometallic organosol m CHIMIE organosol organsin m TEXTILE organzine orge: - de brasserie / AGRO ALIM malting barley; - ill

malter/ AGRO ALIM malting barley orgue: - basaltlque m GEOLOGIE columnar basalt orgues: - basaltiques m pi GEOLOGIE basaltic columns orlentateur-marqueur m MILITAIRE parachutiste path-

finder orientation/AERONAUT heading, CONSTR bearing, bear-

ings, orientation, ELECTRON de /aisceau directing, ESPACE pilotage attitude, vehicules trim, IMPRIM composition, montage, maquette orientation, MINES bearing, PLAST CAOU plastiques, fibres drawing; - biaxiale /PLAST cAou/euille plastique biaxial orientation; - epitaxlale / MATERIAUX cristal/ographie epitaxial orientation; - des particules magnetiques/ TV magnetic particle orientation; - de la poussee en vol/ ESPACE propulsion in-flight thrust vectoring; - pr6ferentlelle/CRISTALL, GEOLOGIE preferred orienta-

origine

tion; - train avant/AERONAUT nose wheel steering orientations/pi CONSTR/aces d'un edifice bearings orient': - machine adj INFORMAT, ORDINAT machine-

oriented; - mot adj INFORMAT, ORDINAT word oriented; - operateur adj INFORMAT, ORDINAT user friendly

orlenter1 vt CONS MECA position, CONSTR orient orienter:2 s'- v refl CONSTR find one's bearings Orifice m CONS MECA hole, orifice, port, porthole,

CONSTR opening, IMPRIM vidange slot, INST HYDR, MECANIQUE port, MINES mouth, PAPIER aperture, hole, PETROLE orifice, VEHICULES moteur port; - d'acces m NUCLEAIRE transfer port; - d'admlsslon m AUTO inlet port (BrE), intake port (ArnE), INST HYDR d'un cylindre a vapeur induction port, MECANIQUE intake, PAPIER, PRODUCTION inlet, VEHICULES d'un moteur inlet port (BrE), intake port (ArnE); - d'admission de vapeur m INST HYDR steam port; - d'arrivee m D1STRI EAU d'un reservoir infall, PRODUCTION inlet;- d'aspiratlon m AUTO inlet, MECANIQUE intake, PRODUCTION systeme hydraulique suction port; - ill bord vif m INST HYDR sharp-edged orifice; - calibre m PETROLE choke; - callbr'm CONS MECA metering hole, PETROLE gaged restriction (AmE), gauged restriction (BrE), orifice, canalisation gaged orifice (ArnE), gauged orifice (BrE); - de charge m EMBALLAGE fill hole; - de chauffe m PRODUCTION fire hole; - de coulee du laltler m PRODUCTION cinder notch; - de decharge m PRODUCTION outlet; - de distribution m INST HYDR port; - d'eau m PRODUCTION water port; - d'echappement m AUTO exhaust port, INST HYDR d' un cylindre a vapeur eduction port, de decharge exhaust port; - d'ecoulement de dlstrlbuteur m CERAM VER orifice; - en paroi mince m INST HYDR opening in thin partition; - d'entree m INST HYDR d'un cylindre a vapeur induction port, PRODUCTION inlet; - d'evacuation m PAPIER outlet; - d'evacuation de vapeur m INST HYDR steam port; - evase m INST HYDR rounded approach orifice; - de la fosse m MINES pit mouth, pithead; - de gran des dimensions m HYDROWGIE large orifice; - immerg' m INST HYDR orifice, submerged orifice; - d'introduction d'eau m D1STRI EAU water inlet; - d'introductlon de I'objet m INSTRUMENT specimen insertion airlock; - d'introduction de vapeur m INST HYDR steam inlet; - noye m INST HYDR orifice, submerged orifice; - ouvert ill sa partie superleure m D1STRI EAU notch; - perce dans une paroi epaisse m INST HYDR short pipe; - perce en plaque mince m INST HYDR opening in thin plate; - de pointe m CHARBON apex; - de progression m AUTO bypass bore; - de puits m MINES shaft collar; - de raccordement m CONS MECA connection port; - de refoulement m AUTO outlet; - de remplissage m ESPACE vehicules, MECANIQUE filling hole; - de rempllssage d'huile m AUTO oil inlet; - de remplissage du moule m CERAM VER baffie hole; - de sortie m PRODUCTION outlet; - de sortie d'eau m D1STRI EAU water outlet, water outlet port; - standard m INST HYDR perce dans une paroi mince standard orifice; - de trap plein m AUTO overflow hole; - de vidange d'huile m AUTO oil drain hole

original m ENREGISTR master, IMPRIM original, TV master, original; - bas contraste m CINEMAT low contrast original; - inversible m CINEMAT original; - tourne m CINEMA T camera original

origine: - ETCD /TELECOM DCE source

origines

origines: - des comMesfpl ASTRONOMIE comet origins orin m NAUT buoy line, buoy rope, tripping line, PETR

pennant line; - d'ancre m NAUT anchor buoy rope Orlonf ASfRONOMIE Orion orion m CIDMIE orion ornement m IMPRIM typographie, reliure adornment,

typographie fleuron ornlerefcoNSfR rut omithurlque adj CHIMIE ornithuric orogenel adj GEOLOGIE orogene orogene2 m GEOLOGIE orogen orogenesef GEOLOGIE orogeny orogenle: - cimmerienne f PETROLE Cimmerian

orogeny, Cimmerian unconformity orotron m ELECTRON orotron orpailleur m MINES digger orphelln m IMPRIM composition orphan orpiment m MINERAUX orpiment orsellinlque adj CIDMIE orsellinic orsellique adj CIDMIE orsellic orthicon m ELECTRON orthicon orthitefMINERAUX, NUCLEAIRE orthite orthobaslque adj CIDMIE orthobasic orthocarbonlque adj CHIMIE orthocarbonic orthocentre m GEOMETRIE orthocenter (ArnE),

orthocentre (BrE) orthochlorltefMINERAUX orthochlorite orthochlorotoluene m CIDMIE orthochlorotoluene orthochromatisationf CINEMA T orthochromatization orthochromatisme m CINEMAT orthochromatism orthodromlef AERONAUT great circle route, NAUT ortho-

dromy orthoformique adj CHIMIE orthoformic orthogneiss m GEOLOGIE granite-gneiss orthogonal adj GEOMETRIE orthogonal orthogonales: - de houlef pi OCEANO wave propagation

direction orthohydrogene m CIDMIE orthohydrogen orthophosphate m CHIMIE orthophosphate orthophosphorlque adj CIDMIE orthophosphoric orthorhomblque adj CRIST ALL orthorhombic orthoscopique adj PHYSIQUE orthoscopic orthose m MINERAUX orthoclase orthosilicate m CIDMIE orthosilicate orthoslliclque adj CHIMIE orthosilicic orthovanadique adj CIDMIE orthovanadic orthoxyJene m CHIMIE o-xylene, PETROLE chimie. raffin-

age orthoxylene Os (osmium) CHIMIE OS (osmium) osazonef CHIMIE osazone osclllant adjELECTR, ELECTRON, PAPIER oscillating osclllateurl adj ELECTRON oscillating osclllateur m CINEMAT, ELECTR, ELECTRON, ESPACE com-

munications, PHYS ONDES, PHYSIQUE, TELECOM oscillator; - accordable m ELECTRON tunable oscillator; - accordable II large bande m ELECTRON wide band tunable oscillator; - accordable multioctave m ELECTRON multioctave tunable oscillator; - accordable sur un octave m ELECTRON octave band oscillator; - II accord continu m ELECTRON continuously-tunable oscillator; - accorde electriquement m ELECTRON electrically-tuned oscillator; - II accord electrique m ELECTRON electrically-tuned oscillator; - II accord electronique m ELECTRON electronica1lytuned oscillator; - accorde par diode varicap m ELECTRON varactor-tuned oscillator; - II accord

Instantane m ELECTRON fast-tuned oscillator; - II accord mecanlque m ELECTRON mechanically-tuned oscillator; - d'activation m ELECTRON antistiction oscillator, dither oscillator, keep-alive oscillator;- asservi m ELECTRON locked oscillator, tracking oscillator; - asservl en phase m ELECTRON PLO, phase-locked oscillator; - asservi II la salve de reference m TV burst locked oscillator; audiofrequence m ELECTRON audio frequency oscillator; - II autoexcltatlon m ELECTRON self-excited oscillator; - autoexcite m ELECTRON self-excited oscillator; - basse frequence m ELECTRON low-frequency oscillator; - de battement m ELECTRON beat frequency oscillator; - II battement de frequence m AERONAUT, ENREGISTR BFO, beat frequency oscillator; - II battement m TELECOM BFO, beat frequency oscillator; - de blocage m PHYSIQUE blocking oscillator; - bloque m ELECTRON blocking oscillator; - de brouilleur m ELECTRON jammer oscillator; - II cavite m ELECTRON cavity oscillator; - coherent m ELECTRON coherent oscillator; - Colpitts m ELECTRON Colpitts oscillator; - commande m ELECTRON controlled oscillator; - commande en courant m ELECTRON current-controlled oscillator; - commande en tension m ELECTRON, ESPACE communications, TELECOM VCO, voltage-controlled osciIlator; - commande en tension II frequence instantanee m ELECTRON set-on voltagecontrolled oscillator; - II couplage electronique m ELECTRON electron coupling osciIlator; - II courant constant m ELECTRON constant current oscillator; - II crlstal m ELECTR crystal oscillator, PHYSIQUE quartz crystal oscillator; - cristallin m PHYS RAYON crystal oscillator; - II decades m ELECTRON decade oscillator; - II dephasage m ELECTRON phase shift oscillator; - II diapason m ELECTRON fork oscillator; - II diode m ELECTRON diode oscillator; - II diode Impatt m ELECTRON IMP A 'IT oscillator; - II diode varicap m ELECTRON varactor-tuned oscillator; - electrique m ELECTRON electrical oscillator; - en dent de scie m ENREGISTR sawtooth oscillator; - II falble derive m ELECTRON low-drift oscillator; - II frequence fixe m ELECTRON fixed frequency oscillator; - II frequence porteuse m ELECTRON carrier frequency oscillator; - II fr'8quence synth8tlsee m ELECTRON synthesized oscillator; - II frequence variable m ELECTRON variable frequency oscillator; - harmonique m ELECTRON harmonic oscillator, sine wave oscillator, PHYSIQUE harmonic oscillator; - Hartley m ELECTRON Hartley oscillator; - haute frequence m (oscillateur HF) ELECTRON RF oscillator, radiofrequency oscillator; - heterodyne m PHYSIQUE, TV beat frequency oscillator; - HF m (oscillateur hautefrequence) ELECTRON RF oscillator, radiofrequency oscillator; - hyperfrequence m ELECTRON microwave oscillator; - II Impulsion m ELECTRON pulsed oscillator; - II interaction etendue m ELECTRON extended interaction oscillator; - II ligne accordee m ELECTRON resonant line oscillator; - local m ELECTRON conversion oscillator, local oscillator, ESPACE communications, PHYSIQUE local oscillator, TELECOM LO, local oscillator; - local asservi m ELECTRON tracking local oscillator; - local synthetlse m ELECTRON synthesized local oscillator; - maitre m PHYSIQUE master oscillator; - II modulation de vitesse m ELECTRON velocity-modulated osciIlator; - module m ELECTRON modulated oscillator; - non accordable m ELECTRON

fixed frequency oscillator; - non asservi en phase m ELECTRON open loop oscillator; - non pilote m ELECTRON free-running oscillator; - ill onde regressive m ELECTRON backward wave oscillator; - ill onde regressive ill falsceau droit m ELECTRON linear beam backward wave oscillator; - ill ondes en volume m ELECTRON bulk wave oscillator; - ill ondes retrogrades m TELECOM carcinotron, TELECOM backward wave oscillator; - d'onduleur m ELECTRON inverter oscillator; - optlque m ELECTRON optical oscillator; - parametrique m TELECOM parametric oscillator; - parametrique optlque m TELECOM optical parametric oscillator; - Pierce m ELECTRON Pierce oscillator; - plezo-electrique m ELECTR, ELECTROTEC, PHYSIQUE piezoelectric oscillator; - pilote m ELECTRON, PHYSIQUE master oscillator; - pilote par ligne de transmission m ELECTRON line-stabilized oscillator; - pilote par quartz m CINEMAT quartz crystal oscillator; - de polarisation m ELECTRON, ENREGISTR bias oscillator; - ill pont de Wlen m ELECTRON Wien bridge oscillator; - programmable m ELECTRON programmable oscillator; - de puissance m ELECTRON power oscillator; - de puissance ill autoexcitation m ELECTRON self-excited power oscillator; - de puissance autoexclte m ELECTRON self-excited power oscillator; - ill quartzm ELECTR quartz oscillator, ELECTRON crystal oscillator, quartz crystal oscillator, quartz oscillator, PHYSIQUE quartz crystal oscillator, TELECOM quartz oscillator; - ill quartz ill compensation thermlque m ELECTRON temperature-compensated crystal oscillator; - ill quartz compense en temperature m ELECTRON temperature-compensated crystal oscillator; - ill quartz non thermostate m ELECTRON free air crystal oscillator, simple-packaged crystal oscillator; - ill quartz thermostate m ELECTRON temperature-controlled crystal oscillator; - RC m ELECTRON, ELECTROTEC RC oscillator; - de reaction m ELECTRON feedback oscillator; - de regeneration m ELECTRON sous-porteuse de chrominance chrominance subcarrier oscillator; - de regeneration dela porteuse m ELECTRON carrier reinsertion operator; - de regeneration de porteuse m ELECTRON homodyne oscillator; - ill regulation de tension m ELECTRON voltage-controlled oscillator; - ill regulation de tension ill frequence instantanee m ELECTRON set-on voltage-controlled oscillator; - ill relaxation m ELECTRON relaxation oscillator; - ill resistance negative m ELECTRON, PHYSIQUE negative resistance oscillator; - de retroaction m COMMANDE feedback oscillator; - ill sauts de frequence m ELECTRON frequency-hopping oscillator; - de service m ELECTRON service oscillator; - synchronise par injection m ELECTRON, ESPACE communications injection-locked oscillator; - synthetise m ELECTRON synthesized oscillator; - ill transistor m ELECTRON transistor oscillator; - ill transistor ill YIG m

ELECTRON YIG tuned transistor oscillator; - ill triode m ELECTRON triode oscillator; - ill tube m ELECTRON vacuum tube oscillator; - ill tube 81ectronique m ELECTRON electron tube oscillator, vacuum tube oscillator; - ultrastable m ELECTRON highly-stable oscillator; - ill YIG m ELECTRON YI G tuned oscillator

oscillateurs: - couples m pi PHYSIQUE coupled oscillators

OSCillation/coNs MECA oscillation, pendulum motion, swaying, swaying, swinging, swinging, CONSTR ringing, ELECTR courant alternatif, ELECTRON oscillation,

osmote

ELECTROTEC autour de la position finale hunting, ENREGISTR ringing, ESPACE pilotage wobble, PHYS ONDES oscillation, PHYSIQUE oscillation, vibration, TELECOM oscillation; - acoustique/ ACOUSTIQUE acoustic oscillation; - amortle / ELECTRON, ENREGISTR damped oscillation; - annul" / ENREGISTR deadbeat; - de Chandler / ASTRONOMIE Chandler wobble; - de depassement/ CONSTR ringing; - 81ectrique/ELEcTRON electric oscillation, PHYS ONDES electrical oscillation; - en dent de scie / ELECTR oscilloscope sawtooth oscillation; - entretenue /ELECTRON continuous oscillation, sustained oscillation, PHYSIQUE maintained oscillation; - forcee / ELECTRON, PHYSIQUE forced oscillation; - ill la trequence propre / ELECTRON natural frequency oscillation; - harmonlque / PHYSIQUE harmonic oscillation; - d'image/Tv picture drift; - d'incidence / AERONAUT incidence oscillation; - d'inertie /OCEANO inertial oscillation; - ionique 81ectrostatlque / NUCLEAIRE de plasma electrostatic ion oscillation; - de lacet / AERONAUT aerodynamique snaking; -libre/ELEcTR galvanometre, ELECTRON free oscillation, PHYSIQUE free oscillation, free vibration; - linealre / CONS MECA, TELECOM linear oscillation; - lineaire libre / CONS MECA free linear oscillation; - longitudinale libre / CONS MECA free longitudinal oscillation; - longitudinale de longue periode / AERONAUT aerone/phugoid oscillation; - mecanique / ACOUSTIQUE mechanical oscillation; - nonlineaire/ TELECOM nonlinear oscillation; - parasite/PHYSIQUE parasitic oscillation, stray oscillation, TELECOM parasitic oscillation; - d'un pendule / CONS MECA oscillation of a pendulum; - phugoide / AERONAUT phugoid oscillation; - propre / CONS MECA natural oscillation; - de reaction/ENREGISTR feedback oscillation; - de relaxation / ELECTRON, PHYSIQUE relaxation oscillation; - d'un ressort / CONS MECA oscillation of a spring; - slnusoidale / ELECTRON sinusoidal oscillation; - thermlque / THERMODYN thermal cycling; - detorsion /PHYSIQUE torsional oscillation; - transitolre/PHYSIQUE transient oscillation

oscillatoire adj ELECTR oscillating, TELECOM oscillatory osciller vi ELECTRON oscillate, ESPACE pilotage wobble,

PAPIER oscillate, swing, PHYS ONDES oscillate oscillogramme m TV oscillogram oscillographe m CHIMIE, ELECTRON, PHYS ONDES oscillo-

graph; - d'enreglstrement m ACOUSTIQUE recording oscillograph

oscilloscope m ELECTR appareil de mesure oscilloscope, ELECTRON, INFORMAT, ORDINAT, PHYS ONDES, PHYSIQUE, TV oscilloscope; - de controle m TV waveform monitor; - ill memolre m PHYSIQUE storage oscilloscope; - mesureur m ELECTR measuring oscilloscope; - de profil m TV image and waveform monitor, waveform monitor; - ill rayons de cathode m ELECTRON, PHYSIQUE, PHYS RAYON cathode ray oscilloscope

osculateur acij GEOMETRIE osculatory ose m CHIMIE glucose oside m CHIMIE glycocide osmiate m CHIMIE osmate, osmiate osmieux acij CHIMIE osmious osmlque acij CHIMIE osmic osmiridium m MINERAUX osmiridium osmiumm (Os) CHIMIEosmium (Os) osmolarite/cHiMIE osmolarity osmole/cHIMIEOSmol,osmole

osmophore

osmophore m CHiMIE osmophore osmophorique adj CHIMIE osmophoric osmose f CHiMIE, GENIE CHIM, HYDROLOGIE, PETROLE,

PHYSIQUE osmosis; - Inverse f CONSTR, GENIE CHlM, HYDROLOGIE reverse osmosis; - de renversement f GENIE CHiM reverse osmosis

osmotlque adj PHYSIQUE osmotic osmylf CHIMIE osmyl osonefcHIMIE osone osotetrazinef CHIMIE osotetrazine osotrlazol m CHiMIE osotriazole ossaturefCONSTR framework, framing oss'inefcHlMIE ossein, ostein, TEXTILE bone glue osslvlbrateur m ACOUSTIQUE bone vibrator ost6inefCHlMIE ossein, ostein ost60litefMINERAux osteolite ostr6lculteur m OCEANO oyster farmer ostr6lculturefoCEANo oyster culture ottr6iltefMINERAUX ottrelite OU: - exclusif m INFORMAT ex junction ouatefpAPIER tissue, wadding, TEXTILE wad, wadding;

- deverrefEMBALLAGE glass wadding ouatlnage m TEXTILE padding ouatlner vt TEXTILE wad oued m HYDROLOGIE wadi ouest: l d'- adjNAuT vent westerly; del'- atij NAUT west ouest:2 a 1'- adv NAUT westwards ouTe f CONS MECA d'un ventilateur, d'une pompe cen-

trifuge ear, intake, PRODUCTION d'un ventilateur, d'une pompe centrifuge inlet; - d'admisslon f AERONAUT air scoop; - d'entr'e d'air f AERONAUT air scoop

ouTes: - de capot f pI VEHICULES carrosserie louver (ArnE), louvre (BrE)

oulllage m AGRO ALIM filling, ESPACE ullage oulller vt AGRO ALIM refill, ESPACE top up ouragan m METEO hurricane ouralltefMINERAUX uralite ourdlr vt TEXTILE warp ourdlssage m TEXTILE warping; - sectionnel m TEXTILE

section warping, sectional warping ourdissolr m TEXTILE warper; - sectionnel m TEXTILE

sectional warping machine ourlet m TEXTILE hem outll m CONS MECA, INFORMAT, MECANIQUE, MINES, ORDI-

NAT tool, PETROLE forage bit; - d'al6sage m CONS MECA boring tool; - a alHer m CONS MECA boring cutter; - blseaute m CONS MECA bevel-edged flat; - a callbrer m CONS MECA forming tool; - au carbure m CONS MECA carbide tool; - a chanfreiner m CONS MECA bar chamfering tool, countersink; - a chanfrelner a angle de 60 degrH au sommet m CONS MECA countersink for 60 degrees angle; - a charioter m CONS MECA bar turning tool, roughing tool; - a clavetage m CONS MECA splining tool; - de cOt, m CONS MECA side tool; - coud' m CONS MECA de tour bent tool; - coud' a charioter m CONS MECA cranked turning and facing tool; - coud' a charloter arrondi m CONS MECA cranked round nose and turning tool; - coud' a dresser les faces m CONS MECA cranked facing tool; - coupant m CONS MECA cutting tool; - de coupe m MECANIQUE cutter, cutting tool; - de coupe ill partie active unique m CONS MECA single point cutting tool; - couteau m CONS MECA knife tool; - couteau coud' m CONS MECA cranked knife tool; - COuteau coude a charioter arrondi m CONS MECA cranked knife tool for copy turning; - a couteau a drolte m CONS MECA

right-hand knife tool; - ill crochet m CONS MECA cranked tool, PRODUCTION hanging tool; - a d'gainer las cAbles m CONS MECA cable sheath stripper; - a d'grafer m CONS MECA staple remover; - a degrosslr m CONS MECA roughing tool; - de dlagnostlque m TELECOM diagnostic aid; - au diamant m CONS MECA diamond tool; - diamant' m MECANIQUE diamond tool; - a dresser m CONS MECA bar facing tool, facing tool, inside comer tool; - a dresser les angles m CONS MECA cranked finishing tool; - ill dresser les faces m CONS MECA facing tool, facing tool for roughing; - d"bauchage m CONS MECA boring tool; - 81ectrique ill main m SECURITE hand-held electric tool; - en fibre de carbone m CONS MECA carbon fiber tool (ArnE), carbon fibre tool (BrE);- a fileter m CONS MECA threading tool; - a flleter ext'rieurement m CONS MECA outsidethreading tool; - a flleter Int'rleurement m CONS MECA inside-threading tool; - de flnltlon m CONS MECA boring tool; - de forage m CONSTR drilling tool, MINES boring tool, PETR bit, drilling bit, PETROLE drill bit; - foreur m CONSTR drilling tool, MINES boring tool; - de forme m CONS MECA forming tool; - a grain-d'orge m CONS MECA round-nose tool; - a lamer m CONS MECA counterbore; - a lamer a pilote amovlble m CONS MECA counterbore with detachable pilot; - ill lamer a pilote fixe m CONS MECA counterbore with solid pilot; - loglclel m INFORMAT, ORDINAT software tool; - a main m MECANIQUE, PRODUCTION hand tool; - a mise rapportH en carbure m CONS MECA carbide-tipped tool; - a moleter m MECANIQUE knurling tool; - a moteur portatif m CONS MECA hand-held portable power tool; - motoris' m MECANIQUE outillage power tool; - de perljage pour presses m CONS MECA piercing die; - ill planer m CONS MECA planisher, planishing tool; - a plaquette carbure m MECANIQUE carbide-tipped tool; - pneumatlque m CONS MECA pneumatic tool; - pneumatlque pour I'assemblage m CONS MECA pneumatic assembly tool; - a pointem CONS MECA tour point tool; - a pointe de diamant m CONS MECA diamond point, diamond point tool, diamond tool; - pour emballage a vide m CONS MECA vacuum packaging tool; - pour rectifier les sieges de robinets m CONS MECA tap reseating tool; - pour tours m CONS MECA turning tool; - de profil conique m CONS MECA dovetail form tool; - a queue cyllndrlque m CONS MECA parallel shank tool; - a queue cylindrique ill meplat m CONS MECA flatted parallel shank tool; - a rainer m PRODUCTION keyway cutting tool; - a ralnures m CONS MECA slotting tool; - de repichage m PETROLE recuperation des objets perdus fishing tool; - de repichage magn'tlque m PETROLE magnetic fishing tool; - de reproduction m CONS MECA forming tool; - a restaurer les filetages m CONS MECA rethreading file; - a restaurer les filets m CONS MECA thread restorer; - a salgner m CONS MECA parting blade, tour parting tool; - de sculpteur m PRODUCTION carving tool; - serle m CONS MECA gang tool; - de sertlssagem CONS MECA crimping tool; - de sondage m CONSTR drilling tool, MINES boring tool; - de supervision m TELECOM supervisory aid; - a surfacerm CERAM VER optical tool; - de tour m CONS MECA turning tool; - toumant m GAZ rotary cutting tool; - a toumer m CONS MECA turning tool; - atourner Interieur m MECANIQUE inside tool; - de tour ill plaquette en carbures metalliques m CONS MECA turning tool with carbide tip; - de tour ill reproduire m CONS MECA copying lathe tool; - tricOne m GAZ tri-

cone bit; - II tron~onner m CONS MECA cutting-off tool, parting tool, pour porte-lame parting-off blade

outillage m CONS MECA machinery, outfit, tools, d' extrusion, de /ormage, presse dies, MECANIQUE jig, PRODUCTION plant, tooling; - II air comprime m CONS MECA compressed air equipment; - d'aJourage pour presse m CONS MECA piercing die; - de cisaillage pour presse m CONS MECA shearing die; - de decoupage fin m CONS MECA presse fine blanking die; - de decoupage de flan m CONS MECA presse blanking die; - destine aux carrosseries automobiles m CONS MECA car body tooling; - de drague m MINES dredge plant; - d'emboutissage m CONS MECA dies for stamping; - d'emboutlssage profond m CONS MECA deep drawing die; - d'encochage pour presse m CONS MECA notching die; - en metal dur m CONS MECA tungsten-carbide tooling; - d'etlrage m CONS MECA de/ormage stretch die; - d'extruslon m CONS MECA extrusion die; - de fixation m CONS MECA holding fixture; - de forgeage m CONS MECA forging dies; - de forgeage chaud m CONS MECA hot forging die; - de forgeage froid m CONS MECA cold forging dies; - de formage m CONS MECA forming tools; - de formage par explosion m CONS MECA explosion dies; - de frappe de form age m CONS MECA coining dies; - d'hydro-formage m CONS MECA hydraulic bulging dies; - isole m pi SECURITE insulated tooling; - II main m PRODUCTION hand tools; - de martelage de formage m CONS MECA hammer die; - de matri~age de formage m CONS MECA swaging die; - de mines m MINES mining appliances; - mobile m CONS MECA loose plant, portable plant; - de pllage pour presse m CONS MECA bending die; - de poin~onnage m CONS MECA dies for punching; - pour cadre de plomb m CONS MECA lead frame tooling; - pour chantier de maintenance m CONSTR onsite maintenance tools; - pour couvercle fllete m CONS MECA screw cap tooling; - pour feullles metalliques m CONS MECA foil tooling; - pour feullles plastlques m CONS MECA plastic foil tooling; - pour metal pulverise m CONS MECA powder metal die; - pour mise en boite m CONS MECA canning tooling; - pour poudre m8tallique m CONS MECA dies for metallic powders; - pour presses m CONS MECA dies for pressing; - pour prototypes m CONS MECA preproduction tooling, prototype tooling; - pour t61es de carrosserie automobile m CONS MECA dies for motor body panels; - pour trMilage de fils II chaud m CONS MECA hot wire-drawing die; - de progression en etapes multiples m CONS MECA multistage progression tooling; - de progression pour presses m CONS MECA progression dies; - d'une seule commande m CONS MECA one-off tooling; - tranchant m CONS MECA sharp-edged tool; - de transfert pour presses m CONS MECA transfer die

outillages: - composes pour presses m pi CONS MECA compound dies; - multiples m pi CONS MECA outillage pour presses combination tools

outlller vt CONS MECA equip, fit out, PRODUCTION equip, fit out

outilleur m MECANIQUE, PRODUCTION toolmaker outils m pi CONS MECA tools; - de chariotage m pi CONS

MECA slide rest tools, slide rest turning tools; - II charloter m pi CONS MECA slide rest tools, slide rest turning tools; - coupants m pi PRODUCTION edge tools; - de curage m pi MINES cleaning tools, flushing tools, scraping tools; - de devissage II empreintes multiples m pi CONS MECA multi-impression

ouverture

unscrewing tools; - de dlagnostlqued'erreurs m pi ORDINAT error diagnostics; - en carbure pour tours et raboteuses m pi CONS MECA tungsten-carbide tipped turning and planing tools; - d'entretien et de depannage m pi CONS MECA service tools; - d'etaux-limeurs m pi CONS MECA shaper tools; - isol6s m pi SECURITE insulated tools; - de limeuses m pi CONS MECA shaper tools; - de manoeuvre m pi CONS MECA assembly tools; - II mortalser m pi CONS MECA slotter tools, slotting tools; - de mortaiseuses m pi CONS MECA slotter tools, slotting tools; - pour blcyclettes m pi TRANSPORT bicycle tools; - pour emballages sous feullles plastlques m pi CONS MECA blister pack tooling; - pour frelns II dlsque m pi AUTO disc brake tools (BrE), disk brake tools (ArnE); - pour frelns II tambour m pi AUTO drum brake tools; - pour tours m pi CONS MECA lathe tools; - II raboter m pi CONSTR planing tools; - de rechange m pi CONS MECA spare tools; - de reparation courants m pi CONS MECA common repair tools; - de terrassement m pi CONSTR earthworking tools; - de tour au cuivre m pi PRODUCTION brassworking tools; - II toumer en ceramlque d'oxyde m pi CONS MECA oxide ceramic lathe tools; - de tourneur sur bois m pi CONSTR wood-turning tools; - de tours m pi CONS MECA lathe tools; - tranchants m pi PRODUCTION edge tools; - uses m pi SECURITE worn tools; - de verrier mpl CERAM VER glassmaker's tools

outre: - flottante/POLLU MER dracone outre-mer: d'- adjNAuT overseas outremer m CHIMIE ultramarine ouvarovite/MINERAUX uvarovite ouvert adj CONS MECA open-type, INFORMAT, ORDINAT

open ouverture / ASTRONOMIE aperture, CHARBON mesh size,

worked thickness, CONS MECA aperture, gap, hole, orifice, CONSTR opening, d'un pont span, ELECTROTEC opening, port, ESPACE communications, IMPRIM d'un diaphragme, d'un objectif, INFORMAT, MECANIQUE aperture, METROLOGIE d'un palmer capacity, MINES d'une carriere opening, ORDINAT aperture, PAPIER opening, PHYSIQUE aperture, PRODUCTION contacts break, TELECOM, TV aperture, VEHICULES roues avant toe-out; - angulalre du faisceau / ELECTRON beam angle; - de bouchon/MINES cut hole; - de la boucle/ RESSORTS hook opening; - de branche/PRODUCTION automatisme industriel branch open; - de chargement / PLAST CAOU moulage par injection sprue opening; - d'un circuit /ELECTROTEC breaking of a circuit; - du circuit au zero du courant/ELECTROTEC zero current turn off; - circulaire/PHYSIQUE circular aperture; - du diaphragme/cINEMAT F-stop, PHOTO F-number, lens stop, stop, F-stop, PHYSIQUE aperture stop; - de 1'6baucheur / CERAM VER blank cracking; - efficace / CINEMAT actual aperture; - en fondu / CINEMAT apparition graduelle de l'image fade-in; - de fenAtre/coNsTR window opening; - de jet/POLLU MER spray aperture; - de lentille/PHOTo lens aperture; - libre / PLAST CAOU presse daylight; - de la lumiere / INST HYDR port opening; - de maille / CHARBON mesh, MECANIQUE mesh size; - du moule / CONS MECA daylight; - numerlque/coNsTR, OPTIQUE, PHYSIQUE, TELECOM NA, numerical aperture; - numerlque d'injectlon /OPTIQUE, TELECOM LNA, launch numerical aperture; - num6rique maximale/oPTIQuE maximum numerical aperture; - numerique theorique maximale / TELECOM maximum theoretical

ouvrabilite

numerical aperture; - del'objectif /INSTRUMENT objective aperture; - photomBtrlque / CINEMAT T -stop; - relative/PHYSIQUE F-number, relative aperture; - de remplissage/ PLAST CAOU moulage par injection sprue opening; - de session/oRDINAT log-in, log-on; - utile / CINEMAT effective aperture; - utile d'un objectif / PHOTO effective aperture of a lens; - de ventilation / CONSTR, NUCLEAIRE vent; - de visite / MECANIQUE manhole

ouvrabilite/cERAM VER plasticity, workability ouvrage m CH DE FER, CONSTR structure, PRODUCTION

hearth, d'un haut /ourneau crucible; - d'art m CONSTR permanent structure, permanent work; - d'assalnissement m CONSTR drainage structure, storm drain; - de campagne m MILITAIRE field work; - de captage d'eau m CONSTR water extraction structure; - contre les inondations m DISTRI EAU flood control works;- de crue m EN RENOUV, HYDROWGIE flood control works; - en beton m CONSTR concrete structure; - en mallonnerie m CONSTR masonry work; - de prise d'eau m DISTRI EAU intake structure, EN RENOUV barrage headwork; - de soutenement m DISTRI EAU retaining structure

ouvreau m CERAM VER glory hole; - de cueillage m CERAM VER gathering hole

ouvre-partes: - d'aeration / pi SECURITE ventilation door openers; - de ventilation/pi SECURITE ventilation door openers

ouvrer vt CONS MECA work ouvreuse/TEXTILE opener ouvrier: - d'accrochage m MINES onsetter (BrE), plat-

man (ArnE); - carrier m MINES quarryman; - dragueur m NAUT dredger; - imprlmeur m IMPRIM printing trade worker; - mallon m CONSTR bricklayer; - mecanicien m PRODUCTION mechanic; - modeleur m PRODUCTION pattern maker; - mouleur m CERAM VER mold maker (ArnE), mould maker (BrE), PRODUCTION molder (ArnE), moulder (BrE); - de plancher m PETROLE forage floorman; - porcelainier m CERAM VER porcelain maker; - professionnel m PRODUCTION highly-skilled worker; - serrurier m PRODUCTION metalworker; - ~ la veine m MINES getter

ouvriers: - du fond m pi MINES below-ground workers; - du jour m pi MINES above-ground workers, surface workers

ouvrirl vt DISTRI EAU /' eau turn on, ELECTROTEC break;- par un volet vt CINEMAT wipe on; - au pic vt CONSTR la terre break with a pick

ouvrir:2 - Ie diaphragme vi CINEMAT open up, PHOTO open diaphragm; - en plein vi CONS MECA turn full on; - la fibre vi TEXTILE open fiber (ArnE), open fibre (BrE); - une session vi INFORMAT log in, log on

oumr:l - de ce cote loc EMBALLAGE instructions de manutention open this end; - ici loc EMBALLAGE instructions de manutention open here

ovale:1 en - adj GEOMETRIE oval-shaped, egg-shaped, oval

ovale2 m GEOMETRIE oval ovalisation/ AUTO out-of-round wear, CERAM VER trian-

gularity, CONS MECA elongation, PETR out-of-roundness, PETRoLEprobleme en cours de/orage ovalization, RESSORTS ovality

ovallse adj AUTO out-of-round, CONS MECA out-of-true overblaS/ENREGISTR overbias OVNI abrev (objet volant non identifie) ASTRONOMIE,

ESPACE UFO (unidentified flying object)

ovoglobuline/CHIMIE ovoglobulin oxaclde m CHIMIE oxo acid, oxyacid oxalacetique adj CHIMIE oxaloacetic oxalate m CHIMIE oxalate oxalate adj CHIMIE oxalated oxallque adj CHIMIE oxalic oxalurlque adj CHIMIE oxaluric oxalyle m CHIMIE oxalyl oxalylur6e/cHIMIE oxalylurea, parabanic acid oxalylureide/ CHIMIE oxalylurea oxamide m CHIMIE oxamide oxamique adj CHIMIE oxamic oxanillde m CHIMIE oxanilide oxanilique adj CHIMIE oxanilic oxazine/ CHIMIE oxazine oxuole m CHIMIE oxazole oxetone/ CHIMIE oxetone oxhydrlque adj CHIMIE oxyhydric, oxyhydrogen oximation/cHIMIE oximation oxime/ CHIMIE oxime oxonium m CHIMIE oxonium oxozone m CHIMIE oxozone oxyaclde m CHIMIE oxo acid, oxyacid oxyceilulose/ CHIMIE oxycellulose

oxychlorure m CHIMIE oxychloride; - de carbone m CHIMIE phosgene

oxycoupage m MECANIQUE flame cutting, procede oxycutting, PRODUCTION gas cutting, oxygen arc cutting, THERMODYN flame cutting, gas cutting; - a I'arc m CONSTR oxygen arc cutting

oxycyanure m CHIMIE oxycyanide oxydabilite/cHIMIE oxidability, oxidizability oxydable adj CHIMIE corrodible, oxidable, oxidizable,

MATERIAUX oxidable, oxidizable oxydant1 adj CHIMIE, GEOLOGIE, SECURITE oxidizing oxydant2 m CHIMIE oxidant, oxidizer, oxidizing agent,

ESPACE propulsion oxidizer, POLLUTION oxidizing agent, THERMODYN oxidant

oxydation / CHIMIE oxidation, oxidization, CINEMAT, ELECTR metaux, HYDROLOGIE, IMPRIM, POLLUTION oxidation; - biologique / HYDROWGIE biological oxidation; - Interne / MET ALL internal oxidation; - s6lective/ELEcTRON local oxidation

oxyde m CHIMIE, ENREGISTR, TV oxide; - d'aluminium m CHIMIE alumina, aluminium oxide (BrE), aluminum oxide (ArnE); - d'argent m ELECTROTEC silver oxide; - d'uote m POLLUTION nitrogen oxide; - azoteux m POLLUTION nitrous oxide; - azotlque m POLLUTION nitric oxide; - de carbone m CHIMIE carbon monoxide, monoxide, CONS MECA, POLLUTION carbon monoxide; - de chrome m CERAM VER chromic oxide; - epais m ELECTRON field oxide; - d'athylene m LESSIVES ether oxide, ethylene oxide; - de fer m CHIMIE, MATERIAUX iron oxide; - de fer micace m PLAST CAOU pigment pour peinture micaceous iron oxide; - de fer nolr m COULEURS black iron oxide; - ferreux m CERAM VER ferrous oxide; - ferrlque m ENREGISTR ferric oxide; - mBtallique m MATERIAUX metal oxide; - nitreux m CHIMIE, POLLUTION nitrous oxide; - nitrique m POLLUTION nitric oxide; - de phanyle m CHIMIE phenoxy benzene; - de propylene m LESSIVES propylene oxide; - secondaire m ELECTRON thick oxide; - de silicium m ELECTRON silicon oxide; - de soufre m POLLUTION sulfur oxide (ArnE), sulphur oxide (BrE); - stannlque m CHIMIE stannic oxide; - sulfureux m CHIMIE sulfur dioxide (ArnE), sulphur

dioxide (BrE); - de tantale m ELECTROTEC tantalum oxide; - d'uranium m CHIMIE uranium oxide; - de zinc m ELECTROTEC zinc oxide; - de zinc active m PLAST CAOU charge activated zinc oxide; - de zinc plombifere m MATERIAUX lead zinc oxide

oxyder1 vt CHIMIE oxidize oxyder:2 s' - v refl CHIMIE oxidize oxydoreduction! CHIMIE oxidoreduction oxyfluorure m CHIMIE oxyfluoride oxygenable atij CHIMIE oxygenizable oxygenase! CHIMIE oxygenase oxygenation! CHIMIE, HYDROLOGIE oxygenation oxygene adj CHIMIE oxygenated, oxygenic, HYDROLOGIE

oxygenated oxygene m (0) CHIMIE oxygen (0); - dissous m (OD)

POLLUTION dissolved oxygen (DO); - liqulde m CHIMIE loxygen, ESPACE lox,propu/sion liquid oxygen, THERMODYN liquid oxygen

oxygener vt CHIMIE, HYDROLOGIE oxygenate oxyhemographie!cHIMIE oxyhaemography (BrE), oxy-

hemography (ArnE) oxylignite m MINES liquid oxygen explosive oxymetre m CHIMIE oximeter oxymetrie!cHIMIE oximetry oxymetrique adj CHIMIE oximetric

oxyphosphate m CHIMIE oxyphosphate oxysel m CHIMIE oxysalt

ozonosphere

oxysulfure m CHIMIE oxysulfide (ArnE), oxysulphide (BrE); - de carbone m POLLUTION carbonyl sulfide (ArnE), carbonyl sulphide (BrE)

oxytetracycline! CHIMIE oxytetracycline ozalid m IMPRIM brown print, ozalid ozobromie!PHoTo carbro printing ozocerite!MINERAUX ozocerite ozokerite!MINERAUX ozocerite ozonatlon!METEo ozonization ozone m CHIMIE, ESPACE, METEO ozone ozone atij HYDROLOGIE eau ozonized ozoner vti CHIMIE, METEO ozonize ozonide m CHIMIE ozonide ozonisation!METEo ozonization ozonise atij CHIMIE, HYDROLOGIE eau ozonized ozonlser vti CHIMIE, METEO ozonize ozonlseur m CHIMIE ozonizer ozonolyse! CHIMIE ozonolysis ozonoscope m CHIMIE ozonoscope ozonoscopique atij CHIMIE ozonoscopic ozonosphere!EsPAcE ozonosphere, geophysique ozone

layer, METEO geophysique ozone layer