\ ˈfāj also ˈfäzh \

Definition of phage 

(Entry 1 of 2)

Definition of -phage (Entry 2 of 2)

: virus or cell that destroys cells bacteriophage microphage

Examples of phage in a Sentence

Recent Examples on the Web: Noun

Running phages through modern clinical testing has proved difficult in the past. Kelly Servick, Science | AAAS, "Can bacteria-slaying viruses defeat antibiotic-resistant infections? A new U.S. clinical center aims to find out," 21 June 2018 While researching last-resort options, Strathdee came across research on using phages. Alexandra Sifferlin, Time, "Scientists Are Using a New Weapon to Fight Drug-Resistant Bacteria—Viruses," 21 June 2018 The startup is working with bacteria-eating viruses called phages to isolate proteins that can make superbug-killing drugs. Ari Altstedter,, "The Startups Waging War Against Superbugs," 25 June 2018 For now, phage therapy remains an experimental treatment. Alexandra Sifferlin, Time, "Scientists Are Using a New Weapon to Fight Drug-Resistant Bacteria—Viruses," 21 June 2018 But this pond phage isn’t your garden-variety microbial marauder. Beth Mole, Ars Technica, "Virus fished from pond cures man’s deadly antibiotic-resistant infection," 20 Mar. 2018 Additionally, phages can cause different types of infections, typically either lytic or lysogenic. Beth Mole, Ars Technica, "Never-before-seen viruses that can kill bacteria stream from women’s bladders," 1 Feb. 2018 Strathdee approached Schooley about giving phage a shot. Alexandra Sifferlin, Time, "Superbugs Are Nearly Impossible to Fight. This Last-Resort Medical Treatment Offers Hope," 18 Dec. 2017 Unlike bacteriocins, phages are capable of replicating. NBC News, "The 'Post-Antibiotic Apocalypse' Can Be Prevented. Here's How," 20 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phage.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of phage


1925, in the meaning defined above

History and Etymology for phage


by shortening

Noun combining form

Greek -phagos one that eats, from -phagos -phagous

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Statistics for phage

Last Updated

8 Sep 2018

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Time Traveler for phage

The first known use of phage was in 1925

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More Definitions for phage


\ ˈfāj also ˈfäzh \

Medical Definition of phage 

More from Merriam-Webster on phage

See words that rhyme with phage Encyclopedia article about phage

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