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.
Scott is an Adult Nurse Practitioner and health writer with experience in oncology and hematology. Julie Scott, Verywell Health, 20 May 2025 Moreover, the most recent expansion in Plantation offers the infrastructure for even more clinical research and an entirely new building with radiation oncology technology, so patient care is closer to home for those in Broward County. Sylvester Comprehensive Cancer Center, Miami Herald, 16 May 2025 Company Description McKesson Corporation (Parent) McKesson Corporation is a global leader in healthcare supply chain management solutions, retail pharmacy, community oncology and specialty care, and healthcare information solutions. Joe Cornell, Forbes.com, 15 May 2025 Exelixis — Shares of the oncology company gained 20.8% after the company’s first-quarter results beat on the top and bottom lines. Sean Conlon, CNBC, 14 May 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 26 May. 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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