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English definition of “radiology”

radiology

noun [U]     /ˌreɪ.diˈɒl.ə.dʒi/ US  /-ˈɑː.lə-/
the scientific study of the medical use of radiation, especially X-raysMedical studies and the people who study them
(Definition of radiology noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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