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oncology

[ong-kol-uh-jee]
noun
  1. the branch of medical science dealing with tumors, including the origin, development, diagnosis, and treatment of malignant neoplasms.
  2. the study of cancer.
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Origin of oncology

First recorded in 1855–60; onco- + -logy
Related formson·co·log·ic [ong-kuh-loj-ik] /ˌɒŋ kəˈlɒdʒ ɪk/, on·co·log·i·cal, adjectiveon·col·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for oncology

oncology

noun
  1. the branch of medicine concerned with the study, classification, and treatment of tumours
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Derived Formsoncological (ˌɒŋkəˈlɒdʒɪkəl), adjectiveoncologist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for oncology

n.

1857, coined in English from onco- "tumor" + -logy "science or study of." Related: Oncologist; oncological.

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Online Etymology Dictionary, © 2010 Douglas Harper
oncology in Medicine

oncology

(ŏng-kŏl′ə-jē)
n.
  1. The branch of medicine dealing with the physical, chemical, and biological properties of tumors, including study of their development, diagnosis, treatment, and prevention.
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Related formson′co•log′i•cal (-kə-lŏj′ĭ-kəl) null adj.on•col′o•gist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
oncology in Science

oncology

[ŏn-kŏl′ə-jē]
  1. The branch of medicine that deals with the diagnosis and treatment of cancer.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
oncology in Culture

oncology

[(ong-kol-uh-jee, on-kol-uh-jee)]

The branch of medicine devoted to the study, treatment, and cure of cancer.

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.