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.
Hazen also sees possible applications in oncology, soil science and language evolution. Quanta Magazine, 2 Apr. 2025 The care coordinator will recognize that a potential cancer-fighting journey requires more than a single oncology appointment and, from this point, step into the role of guide for the patient’s journey. Kara Trott, Forbes.com, 31 Mar. 2025 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 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 21 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

Last Updated: - Updated example sentences
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