prophage definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The latent form of a bacteriophage in which the viral genes are incorporated into the bacterial chromosomes without causing disruption of the bacterial cell.
Origin: Short for French probactériophage : Greek pro-, before; see pro-2 + French bactériophage, bacteriophage; see bacterio- + Greek -phagos, -phage.
prophage - Medical Definition
The latent form of a bacteriophage in which viral genes are incorporated into bacterial chromosomes disrupting the bacterial cell. Also called probacteriophage.