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.
Sanders complimented his care, and left it to Janet Kukreja, the director of urological oncology at the University of Colorado School of Medicine, to deliver the big news. Eben Novy-Williams, Sportico.com, 30 July 2025 He was flanked at the table by Dr. Janet Kukreja, director of urologic oncology at CU Cancer Center, and Lauren Askevold, Colorado’s assistant athletic trainer. Sean Keeler, Chicago Tribune, 28 July 2025 While everything checked out in that regard, Sanders’ primary care doctor wanted to refer him to a urologist, which ultimately led Kukreja, the director of urological oncology at UC Health, to give Sanders a look. Scott Thompson, FOXNews.com, 28 July 2025 Kukreja, director of urological oncology at University of Colorado Cancer Center, explained that the tumor had moved through the bladder wall, but not into the muscle layer. Troy Renck, Denver Post, 28 July 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 4 Aug. 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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