radiotherapy
noun
ra·dio·ther·a·py
ˌrā-dē-ō-ˈther-ə-pē 
: the treatment of disease with radiation (such as X-rays)
Examples of radiotherapy in a Sentence
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Aggressive medical treatments: Radical surgeries, chemotherapy, or radiotherapy could accelerate the process.
—
Mónica Heras, Vogue, 12 May 2025
The radiotherapy had caused swelling in my brain—apparently a normal response, but still terrifying.
—Josh Hammer, MSNBC Newsweek, 11 May 2025
Emma said her post-mastectomy tests later came back negative, followed by a week of preventative radiotherapy.
—Janine Henni, People.com, 2 Apr. 2025
This was followed by 25 rounds of chemotherapy and radiotherapy from May until July.
—Ron Estes, MSNBC Newsweek, 30 Mar. 2025
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Mónica Heras, Vogue, 12 May 2025
The radiotherapy had caused swelling in my brain—apparently a normal response, but still terrifying.
—Josh Hammer, MSNBC Newsweek, 11 May 2025
Emma said her post-mastectomy tests later came back negative, followed by a week of preventative radiotherapy.
—Janine Henni, People.com, 2 Apr. 2025
This was followed by 25 rounds of chemotherapy and radiotherapy from May until July.
—Ron Estes, MSNBC Newsweek, 30 Mar. 2025
See All Example Sentences for radiotherapy
Cite this Entry
“Radiotherapy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiotherapy. Accessed 25 May. 2025.
Copy CitationMedical Definition
radiotherapy
noun
ra·dio·ther·a·py
ˌrād-ē-ō-ˈther-ə-pē
plural radiotherapies
: the treatment of disease by means of radiation (as X-rays)
called also radiation therapy, radium therapy
compare radiodiagnosisLove words? Need even more definitions?
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