noun Microbiology.
a stable, inherited form of bacteriophage in which the genetic material of the virus is integrated into, replicated, and expressed with the genetic material of the bacterial host.

1950–55; shortening of French probactériophage; see pro-1, bacteriophage Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
prophage (ˈprəʊfeɪdʒ)
Compare bacteriophage a virus that exists in a bacterial cell and undergoes division with its host without destroying it
[C20: by contraction from French probactériophage; see pro-², bacteriophage]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

prophage pro·phage (prō'fāj')
The latent form of a bacteriophage in which viral genes are incorporated into bacterial chromosomes disrupting the bacterial cell. Also called probacteriophage.

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