Definition of radiation therapy in English:

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radiation therapy

Pronunciation: /ˌrādēˈāSHən ˈTHerəpē/
(also radiation treatment)


The treatment of disease, especially cancer, using X-rays or similar forms of radiation.
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.

For editors and proofreaders

Syllabification: ra·di·a·tion ther·a·py

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