Definition of radiation therapy in English:

radiation therapy

Syllabification: ra·di·a·tion ther·a·py
(also radiation treatment)


  • The treatment of disease, especially cancer, using X-rays or similar forms of radiation.
    More example sentences
    • She was offered palliative chemotherapy and radiation therapy.
    • An oncology consultant suggested radiation therapy for the lung lesion and head.
    • Prior radiation therapy was acceptable, but prior chemotherapy for metastatic disease was not allowed.

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Pronunciation: māj
a magician or learned person