radiotherapy

American  

[rey-dee-oh-ther-uh-pee] / ˌreɪ di oʊˈθɛr ə pi /

noun

Medicine/Medical.

1. treatment of disease by means of x-rays or of radioactive substances.

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radiotherapy British  

/ 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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Other Word Forms

• radiotherapeutic adjective
• radiotherapeutically adverb
• radiotherapist noun

Etymology

Origin of radiotherapy

First recorded in 1900–05; radio- + therapy

Example Sentences

Although the trial was successful, the cancer returned shortly before a second transplant date in December, meaning she required additional full-body radiotherapy.

From BBC

That might be surgery, or a combination of chemotherapy and radiotherapy, depending on your individual cancer.

From BBC

She has since had chemotherapy, thirty rounds of radiotherapy, and two operations to help fluid drain from her brain, and has been told she has months to live.

From BBC

The team has also created an online tool that allows users to select a country and see how factors such as national wealth, access to radiotherapy, and universal health coverage relate to cancer outcomes.

From Science Daily

The US writer, 46, known for It Ends With Us and Reminders of Him, said she has nearly finished radiotherapy and that earlier surgery was a success.

From BBC