Rous sarcoma


: a sarcoma of chickens caused by a retrovirus (species Rous sarcoma virus of the genus Alpharetrovirus)

Examples of Rous sarcoma in a Sentence

Recent Examples on the Web His early medical research probed the Rous sarcoma retrovirus, a cancer-causing virus that was first observed in birds. Brian Murphy, Washington Post, 15 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Rous sarcoma.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


F. Peyton Rous †1970 American physician

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of Rous sarcoma was in 1914

Dictionary Entries Near Rous sarcoma

Cite this Entry

“Rous sarcoma.” Dictionary, Merriam-Webster, Accessed 26 May. 2024.

Medical Definition

Rous sarcoma

: a readily transplantable malignant fibrosarcoma of chickens that is caused by the Rous sarcoma virus
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