| radiation therapy 
 
 (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
 • Syn:
 radiotherapy, radiation, actinotherapy, irradiation
 • Derivationally related forms:
 radiotherapist (for: radiotherapy)
 • Topics:
 medicine, medical specialty
 • Hypernyms:
 therapy
 • Hyponyms:
 phototherapy, radium therapy, Curietherapy, X-ray therapy
 
 
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