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.
In fact, one specific area where AI is making a palpable difference in health care is in cancer treatment, where Caris Life Sciences is leveraging the technology in pursuit of cutting-edge breakthroughs in oncology. Dallas Morning News, 1 Feb. 2026 Bourla admitted that, unlike the binary moment of a vaccine launch, success in oncology will be cumulative. Nick Lichtenberg, Fortune, 30 Jan. 2026 The pharma startup is a small molecule drug discovery and development company focused on unmet medical needs in oncology and autoimmune disorders. Noelle Harff, San Diego Union-Tribune, 29 Jan. 2026 The idea of inclusive representation is of increasing importance as oncology increasingly shifts toward precision medicine and clinicians strive to tailor treatment to the individual in front of them. Yehoda Martei, STAT, 27 Jan. 2026 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 15 Feb. 2026.

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

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