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[proh-vahy-ruh s, proh-vahy-] /ˈproʊˌvaɪ rəs, proʊˈvaɪ-/
noun, plural proviruses.
a viral form that is incorporated into the genetic material of a host cell.
Origin of provirus
1945-50; pro-1 + virus, on the model of prophage Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for provirus


the inactive form of a virus in a host cell
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
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provirus in Medicine

provirus pro·vi·rus (prō'vī'rəs, prō-vī'-)
n. pl. pro·vi·rus·es
The precursor or latent form of a virus that is capable of being integrated into the genetic material of a host cell and being replicated with it.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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