chemotherapy

noun
che·​mo·​ther·​a·​py | \ ˌkē-mō-ˈther-ə-pē How to pronounce chemotherapy (audio) \

Definition of chemotherapy

: the therapeutic use of chemical agents to treat disease especially : the administration of one or more cytotoxic drugs to destroy or inhibit the growth and division of malignant cells in the treatment of cancer

Note: Chemotherapy may be used alone as a primary treatment or may be used before, after, or in conjunction with surgery or radiation.

called also chemo

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Other Words from chemotherapy

chemotherapist \ ˌkē-​mō-​ˈther-​ə-​pist How to pronounce chemotherapist (audio) \ noun

Examples of chemotherapy in a Sentence

Recent Examples on the Web

Turnbull has already gone through two major surgeries and 12 rounds of chemotherapy. Washington Post, "Minnesota lawmakers will hear disputed assisted suicide bill," 11 Sep. 2019 Turnbull has already gone through two major surgeries and 12 rounds of chemotherapy. Steve Karnowski, Twin Cities, "Minnesota lawmakers will hear assisted suicide bill," 10 Sep. 2019 Heart-wrenching photos of a 5-year-old girl gently supporting her 4-year-old brother as the side effects of chemotherapy disrupt their playtime have gone viral after their mother shared a raw post about how childhood cancer impacts the whole family. Fox News, "Mom's raw post on childhood cancer goes viral: 'It affects the entire family'," 10 Sep. 2019 Over the last five years, Erika survived 70 rounds of chemotherapy to treat colorectal cancer, multiple procedures and a microwave ablation surgery that went terribly wrong and left a fist-sized hole in her liver. Wayne Drash, CNN, "Erika Zak, mom who inspired millions in her fight to get a liver, dies at 39," 23 Aug. 2019 The evolutionary approach, tested in animals and humans with advanced prostate cancer, sharply limits the natural selection of cancer cells through a more judicious use of chemotherapy. Robert Gatenby, Scientific American, "Darwin’s Ideas on Evolution Drive a Radical New Approach to Cancer Drug Use," 3 Aug. 2019 Today, most cases of CTVT can be cured with a single dose of chemotherapy. Megan Molteni, WIRED, "How a 6,000-Year-Old Dog Cancer Spread Around the World," 1 Aug. 2019 Andy Johnson’s most recent round of chemotherapy was the most overwhelming of all thus far for the Boone High School football coach. J.c. Carnahan, orlandosentinel.com, "Boone football coach Andy Johnson leans on assistants while tackling chemotherapy," 26 July 2019 Karen has been battling cancer for much of the last five years and just started another round of chemotherapy. Kirkland Crawford, Detroit Free Press, "Big Ten big moments, the Detroit Tigers' trying summer goes on in Weekend Review," 21 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chemotherapy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of chemotherapy

1910, in the meaning defined above

History and Etymology for chemotherapy

International Scientific Vocabulary

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Statistics for chemotherapy

Last Updated

18 Sep 2019

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Time Traveler for chemotherapy

The first known use of chemotherapy was in 1910

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More Definitions for chemotherapy

chemotherapy

noun

English Language Learners Definition of chemotherapy

medical : the use of chemicals to treat or control a disease (such as cancer)

chemotherapy

noun
che·​mo·​ther·​a·​py | \ -ˈther-ə-pē How to pronounce chemotherapy (audio) \
plural chemotherapies

Medical Definition of chemotherapy

: the therapeutic use of chemical agents to treat disease Pyrazinamide is one of the most important drugs in modern chemotherapy of tuberculosis …— Max Salfinger et al., The Journal of the American Medical Association, 22 Mar. 1995 especially : the administration of one or more cytotoxic drugs to destroy or inhibit the growth and division of malignant cells in the treatment of cancer Cancer cells mutate at a furious rate, and they can evolve the means to resist most chemotherapy drugs, requiring higher and more toxic doses to achieve an effect. — Shannon Brownlee and Nancy Shute, U.S. News & World Report, 18 May 1998 Neutropenia and infection are major dose-limiting side effects of chemotherapy. — Jeffrey Crawford et al., The New England Journal of Medicine, 18 July 1991

called also chemo

Note: Chemotherapy may be used alone as a primary treatment or may be used before, after, or in conjunction with surgery or radiation.

Keep scrolling for more

More from Merriam-Webster on chemotherapy

Spanish Central: Translation of chemotherapy

Nglish: Translation of chemotherapy for Spanish Speakers

Britannica English: Translation of chemotherapy for Arabic Speakers

Britannica.com: Encyclopedia article about chemotherapy

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