oncology

noun

on·​col·​o·​gy än-ˈkä-lə-jē 

äŋ-

: a branch of medicine concerned with the prevention, diagnosis, treatment, and study of cancer

oncological

ˌäŋ-kə-ˈlä-ji-kəl 

adjective

or oncologic

ˌäŋ-kə-ˈlä-jik 

oncologist

än-ˈkä-lə-jist 

äŋ-

noun

Examples of oncology in a Sentence

Recent Examples on the Web

Emerson’s oncology investments are managed by Yosemite, a spinoff firm run by Powell Jobs’ son Reed. —Hayley Cuccinello, CNBC, 31 Jan. 2025

The Science Behind Exosome Therapy Recent advancements in exosome research have significantly expanded their potential applications, not just in skin care but across a variety of medical fields, including regenerative medicine, neurology and oncology. —Sandra Rose Salathe, Flow Space, 30 Jan. 2025

Talk to their oncology team about your concerns and ask for ideas. —Corey Whelan, Verywell Health, 30 Jan. 2025

Susan has extensive experience in various healthcare settings including medical surgery, oncology, and senior living facilities. —Kris Slugg, San Diego Union-Tribune, 27 Jan. 2025

Word History

Etymology

onco- + -logy

First Known Use

circa 1857, in the meaning defined above

Kids Definition

oncology

noun

on·​col·​o·​gy än-ˈkäl-ə-jē 

: 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- 

plural oncologies

: a branch of medicine concerned with the prevention, diagnosis, treatment, and study of cancer

oncological

ˌäŋ-kə-ˈläj-i-kəl 

adjective

also oncologic

-ik