WordReference Random House Learner's Dictionary of American English © 2025
ra•di•ol•o•gy /reɪdiˈɑlədʒi/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- Medicinethe branch of medicine dealing with x-rays, other radiation, and other techniques used in examining the body for disorders and certain treatments.
ra′di•ol•o•gy
(rā′dē ol′ə jē),USA pronunciation n.
ra′di•ol′o•gist, n.
- Medicine, Physicsthe science dealing with x-rays or nuclear radiation, esp. for medical uses.
- Medicinethe examination or photographing of organs, bones, etc., with such rays.
- Medicinethe interpretation of medical x-ray photographs.
- radio- + -logy 1895–1900
'radiologist' also found in these entries (note: many are not synonyms or translations):