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oncology

American  
[ong-kol-uh-jee] / ɒŋˈkɒl ə dʒi /

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.


oncology British  
/ ˌɒŋkəˈlɒdʒɪkəl, ɒŋˈkɒlədʒɪ /

noun

  1. the branch of medicine concerned with the study, classification, and treatment of tumours

"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

oncology Scientific  
/ ŏn-kŏlə-jē /
  1. The branch of medicine that deals with the diagnosis and treatment of cancer.


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


Other Word Forms

  • oncologic adjective
  • oncological adjective
  • oncologist noun

Etymology

Origin of oncology

First recorded in 1855–60; onco- + -logy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“This transaction further diversifies and strengthens our position in oncology as we continue to look for opportunities to broaden our portfolio into other therapeutic areas,” said Merck CEO Robert Davis.

From MarketWatch

While the company is making inroads in other fields like oncology, Gilead’s cell therapy portfolio is a notable laggard.

From Barron's

Radiotherapy UK with the GI clinical oncology team at the Belfast Health and Social Care Trust have said they want to start a conversation on what is regarded as one of the most under-talked-about cancers.

From BBC

“In the past 10 to 15 years, our technology has improved greatly,” said Dr. Elizabeth Jaffee, professor of oncology at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins.

From The Wall Street Journal

We meet at the MD Anderson Cancer Center here, America’s top oncology hospital, and we’re seated at a simple table in a public walkway.

From The Wall Street Journal