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radiotherapy

[ rey-dee-oh-ther-uh-pee ]

noun

, Medicine/Medical.
  1. treatment of disease by means of x-rays or of radioactive substances.

radiotherapy

/ ˌreɪdɪəʊˈθɛrəpɪ; ˌreɪdɪəʊˌθɛrəˈpjuːtɪk /

noun

  1. the treatment of disease, esp cancer, by means of alpha or beta particles emitted from an implanted or ingested radioisotope, or by means of a beam of high-energy radiation Compare chemotherapy

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Derived Forms

  • radiotherapeutic, adjective
  • ˌradioˌtheraˈpeutically, adverb
  • ˌradioˈtherapist, noun

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Other Words From

  • radi·o·thera·pist noun

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Word History and Origins

Origin of radiotherapy1

First recorded in 1900–05; radio- + therapy

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Example Sentences

After surgery, the patients all received the standard therapy of chemo, radiotherapy and endocrine therapy.

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radioteletyperadiothermy

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