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

As pet owners became more willing to spend money on their animals, companies obliged, opening fancy veterinary hospitals and services like oncology. —Alana Semuels, TIME, 3 Dec. 2024

Anne Michaud is taking graduate nursing classes at the University of Connecticut, and works as a nurse in Connecticut oncology centers. —Anne Michaud, Hartford Courant, 4 Nov. 2024

Merck said its cancer drug Keytruda and other oncology treatments saw strong sales, as did its vaccines portfolio and newly launched cardiovascular drug, Winrevair. —Michelle Fox, CNBC, 18 Oct. 2024

One ob-gyn routinely performed surgeries on cancer patients without being board-certified in oncology. —Stephania Taladrid, The New Yorker, 25 Nov. 2024

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