Definition of radiotherapy noun from the Oxford Advanced American Dictionary

 

radiotherapy

 noun
noun
NAmE//ˌreɪdioʊˈθɛrəpi//
 
[uncountable]
 
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the treatment of disease by radiation a course of radiotherapy compare chemotherapy
radiotherapist
 
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NAmE//ˌreɪdioʊˈθɛrəpɪst//
 
noun
See the Oxford Advanced Learner's Dictionary entry: radiotherapy