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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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
His age, recent back-to-back bouts of cancer and ongoing radiotherapy complications notwithstanding, Book’s drive is so tireless that it’s become something of a reverential joke among many who interact with him.
—Max Klaver, Miami Herald, 20 Mar. 2025
By some estimates, there have been approximately 4,200 deaths attributed to nuclear reactor incidents since 1945 (not counting radiotherapy accidents or Soviet submarine failures).
—Reader Commentary, Baltimore Sun, 10 Feb. 2025
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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
His age, recent back-to-back bouts of cancer and ongoing radiotherapy complications notwithstanding, Book’s drive is so tireless that it’s become something of a reverential joke among many who interact with him.
—Max Klaver, Miami Herald, 20 Mar. 2025
By some estimates, there have been approximately 4,200 deaths attributed to nuclear reactor incidents since 1945 (not counting radiotherapy accidents or Soviet submarine failures).
—Reader Commentary, Baltimore Sun, 10 Feb. 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 5 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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