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

Now, a year after the initial diagnosis and an incredible 10 rounds of chemotherapy, the dance teacher has successfully beaten the disease. Mackenzie Dunn, Woman's Day, "Abby Lee Miller Is Officially Cancer Free," 23 May 2019 It can also be caused by radiation and chemotherapy, tobacco use, nerve damage, and drugs like marijuana and methamphetamine. Colleen Stinchcombe, Woman's Day, "Why Am I Always Thirsty?," 22 Oct. 2018 He was diagnosed with non-Hodgkin lymphoma later that year, but after intensive treatment with radiation and chemotherapy, returned to win the Sony Open in 2000 and play in the 2002 Ryder Cup. Doug Ferguson, The Seattle Times, "NBC hires Paul Azinger to replace Johnny Miller," 22 Oct. 2018 However, the radiation and chemotherapy included in the treatment could harm their brains. Soumya Karlamangla, latimes.com, "Their daughter was diagnosed with an aggressive brain tumor. Two weeks later, their son was too," 28 June 2018 Treatment typically requires surgery to remove the tumor followed by radiation and chemotherapy. Alexandria Hein, Fox News, "Siblings diagnosed with brain tumors 2 weeks apart," 28 June 2018 In cases where there is high risk of tumors reoccurring or spreading, radiation and chemotherapy may be used for treatment. Texas A&m University, Houston Chronicle, "Pet Talk: Mammary tumors in dogs," 20 June 2018 It was confirmed May 1 to be a grade 4 diffuse intrinsic pontine glioma (DIPG), a highly aggressive pediatric tumor, prompting a wave of doctor's appointments and radiation and chemotherapy. Danielle Lerner, The Courier-Journal, "Louisville men's soccer gave boy with brain tumor his 'best day ever'," 15 June 2018 But the multiple surgeries and treatments with radiation and chemotherapy at the University of Pennsylvania Hospital that were needed to address the glioblastoma took their toll. Bonnie L. Cook, Philly.com, "Jack T. Phillips, 23, Penn State graduate who aspired to protect the environment," 4 June 2018

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

12 Jun 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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