radiotherapy

noun

ra·​dio·​ther·​a·​py ˌrā-dē-ō-ˈther-ə-pē How to pronounce radiotherapy (audio)
: the treatment of disease with radiation (such as X-rays)
radiotherapist noun

Examples of radiotherapy in a Sentence

Recent Examples on the Web But whole-brain radiotherapy may offer better outcomes. Benjamin Leach, Verywell Health, 23 Aug. 2023 Clinical trials stand out amidst the bleak landscape of GBM treatment, where patients typically receive surgery, followed by a toxic and ultimately ineffective regimen of chemotherapy drugs and radiotherapy (i.e. beams of intense energy to kill cancer cells). Ourbrainbank, Forbes, 1 Mar. 2024 Patients need to stay still during radiotherapy to ensure the beam stays on course. Behzad Ebrahimi, Discover Magazine, 5 Jan. 2024 Another form of radiotherapy is proton beam therapy, or PBT, which directs protons instead of X-rays at tumors. Behzad Ebrahimi, Discover Magazine, 5 Jan. 2024 Isabella then celebrated the recovery milestone with a hearty and ceremonious ringing of the bell, also posing with her radiotherapy mask. Alexandra Del Rosario, Los Angeles Times, 17 Jan. 2024 By placing the radioactive source inside the body, brachytherapy can target tumors more directly than external beam radiotherapy. Behzad Ebrahimi, Discover Magazine, 5 Jan. 2024 Novartis is building a new radioligand plant in China Novartis is pouring $85 million into a new radiotherapy production facility in China, FiercePharma writes. Meghana Keshavan, STAT, 4 Dec. 2023 In contrast, of those who received just the standard radiotherapy treatment, 72% were alive and 64% did not see their cancer return or spread. David Chiu, Peoplemag, 23 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'radiotherapy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of radiotherapy was in 1902

Dictionary Entries Near radiotherapy

Cite this Entry

“Radiotherapy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiotherapy. Accessed 28 Mar. 2024.

Medical Definition

radiotherapy

noun
ra·​dio·​ther·​a·​py ˌrād-ē-ō-ˈther-ə-pē How to pronounce radiotherapy (audio)
plural radiotherapies
: the treatment of disease by means of radiation (as X-rays)

called also radiation therapy, radium therapy

compare radiodiagnosis

More from Merriam-Webster on radiotherapy

Last Updated: - Updated example sentences
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