R (radiology) An abbreviation ‘R’adiologist/ ‘R ’adiology. of
Ra (chemistry) The CHEMICAL SYMBOL for ELEMENT 88, RADIUM.
rabies (medical) VIRUS disease, mainly affecting carnivores but which can affect any WARM-BLOODED SPECIES, that is usually transmitted by bites from infected animals, including foxes, wolves, jackals, mongooses, raccoons, skunks and bats. Also termed: HYDROPHOBIA.