radiotherapy


ra·dio·ther·a·py

noun \ˌrā-dē-ō-ˈther-ə-pē\

Definition of RADIOTHERAPY

:  the treatment of disease with radiation (as X-rays)
ra·dio·ther·a·pist \-pist\ noun

Origin of RADIOTHERAPY

International Scientific Vocabulary
First Known Use: 1903

ra·dio·ther·a·py

noun \ˌrād-ē-ō-ˈther-ə-pē\   (Medical Dictionary)
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

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