Medical Dictionary
radiotherapy
noun ra·dio·ther·a·py \ˌrād-ē-ō-ˈther-ə-pē\
plural ra·dio·ther·a·pies
Medical Definition of RADIOTHERAPY
: the treatment of disease by means of radiation (as X-rays)—called also radiation therapy, radium therapy; compare radiodiagnosis
Seen & Heard
What made you want to look up radiotherapy? Please tell us where you read or heard it (including the quote, if possible).