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.
However, beneath this success lies a growing concern: the sustainability of this growth trajectory, particularly as competition intensifies in the oncology space. Trefis Team, Forbes.com, 2 June 2025 Though there is an emphasis on blood cancers, Andy Souers, AbbVie’s vice president heading oncology discovery research, said the scientists are also trying to find treatments that work for ovarian, lung and colorectal cancers, among others. Steve Sadin, Chicago Tribune, 2 June 2025 As an oncology nurse at Northside Hospital Duluth, in Duluth, Georgia, Hill made around $40,000 per year. Ashton Jackson eric Clark, CNBC, 31 May 2025 Newsletter Sign up for our email newsletter for the latest science news Targeting the immune system to fight cancer has been in the works for over a decade, and thanks to its precise, personalized approach, it's poised to shape the future of oncology. Jenny Lehmann, Discover Magazine, 22 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

Browse Nearby Words

Cite this Entry

“Oncology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oncology. Accessed 5 Jun. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!