oncology

noun

on·​col·​o·​gy än-ˈkä-lə-jē How to pronounce oncology (audio)
äŋ-
: a branch of medicine concerned with the prevention, diagnosis, treatment, and study of cancer
oncological adjective
or oncologic
oncologist noun

Examples of oncology in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The company acknowledges the competitive landscape in precision oncology and the need for strategic partnerships. Quartz Intelligence Newsroom, Quartz, 27 Mar. 2025 In addition to advanced radiation therapy, Epic Care offers comprehensive healthcare services, including medical oncology, breast health, primary care, surgery, diagnostic imaging, and genetic counseling. Rowan Briggs, The Mercury News, 18 Mar. 2025 Otis Brawley, a professor of oncology and epidemiology at Johns Hopkins University, agrees with Murthy. Scott Lafee, San Diego Union-Tribune, 11 Mar. 2025 The multi-building campus currently houses the oncology division of biopharmaceutical company Pfizer and an innovation center for global medical technology company BD (Becton, Dickinson and Company). Karen Billing, San Diego Union-Tribune, 19 Mar. 2025 See All Example Sentences for oncology

Word History

Etymology

onco- + -logy

First Known Use

circa 1857, in the meaning defined above

Time Traveler
The first known use of oncology was circa 1857

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Cite this Entry

“Oncology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oncology. Accessed 7 Apr. 2025.

Kids Definition

oncology

noun
on·​col·​o·​gy än-ˈkäl-ə-jē How to pronounce oncology (audio)
: a branch of medicine concerned with the study and treatment of tumors

Medical Definition

oncology

noun
on·​col·​o·​gy än-ˈkäl-ə-jē, äŋ- How to pronounce oncology (audio)
plural oncologies
: a branch of medicine concerned with the prevention, diagnosis, treatment, and study of cancer
oncological adjective
also oncologic

More from Merriam-Webster on oncology

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