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A virus that infects and lyses certain bacteria.

bac·te′ri·o·phag′ic (-făj′ĭk) adj.
bac·te′ri·oph′a·gy (-ŏf′ə-jē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Microbiology) a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released. Often shortened to: phage
bacteriophagic adj
bacteriophagous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(bækˈtɪər i əˌfeɪdʒ)

any of a group of viruses that infect specific bacteria, usu. causing their disintegration. Also called phage.
[1920–25; < French]
bac•te`ri•o•phag′ic (-ˈfædʒ ɪk, -ˈfeɪ dʒɪk) bac•te`ri•oph′a•gous (-ˈɒf ə gəs) adj.
bac•te`ri•oph′a•gy (-dʒi) n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


A virus that infects and destroys the cells of bacteria. Also called phage.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bacteriophage - a virus that is parasitic (reproduces itself) in bacteria; "phage uses the bacterium's machinery and energy to produce more phage until the bacterium is destroyed and phage is released to invade surrounding bacteria"
virus - (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
coliphage - a bacteriophage that infects the bacterium Escherichia coli
typhoid bacteriophage - a bacteriophage specific for the bacterium Salmonella typhi
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[bækˈtɪəriəfeɪdʒ] nbactériophage m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
References in periodicals archive ?
Merzlyak, Development and Characterization of Genetically Engineered M13 Bacteriophage as Tissue Engineering Materials, University of California, Berkeley with the University of California, San Francisco, CA, USA, 2009.
The M13 bacteriophage is a piezoelectric* virus capable of allowing the bacteria within human beings to emit a small, electric* charge through the mechanical motions of the human body.(8) This virus is a potential candidate for leveraging a capacity to use biomarkers and remote sensing technology as it meets most of the five criteria previously mentioned within this article:
M13 bacteriophage is a filamentous bacterial virus.