\ ˈfāj also ˈfäzh How to pronounce phage (audio) \

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

Once activated, the prophage cuts itself out of the bacterial genome, replicates and then packages its DNA into phages. Quanta Magazine, "‘Broadband’ Networks of Viruses May Help Bacteria Evolve Faster," 16 Oct. 2018 This virus is a bacteriophage or phage, a group of viruses that kill bacteria. San Diego Union-Tribune, "Benign gut virus may be older than humanity, might be useful as therapy," 8 July 2019 Bacteria have plenty of ways to combat the viruses that plague them, called phages. Diana Gitig, Ars Technica, "Bacteria engage in chemical warfare against viruses," 5 Dec. 2018 Using genetic engineering, the researchers tweaked some of the phages to... Brianna Abbott, WSJ, "Genetically Engineered Viruses Treat Antibiotic-Resistant Infection," 8 May 2019 Winter then coupled the phage display technique with directed evolution to produce new antibodies for the immune system to identify threats. Umair Irfan, Vox, "3 scientists sped up evolution in a lab. Their work just won a Nobel Prize.," 3 Oct. 2018 Now, an equivalent process could be done in a week using phage display. John Timmer, Ars Technica, "Nobel awarded for using Darwin’s ideas to make antibodies and catalysts," 3 Oct. 2018 Royal Swedish Academy of Sciences Smith and Winter meanwhile worked with a technique called phage display. Umair Irfan, Vox, "3 scientists sped up evolution in a lab. Their work just won a Nobel Prize.," 3 Oct. 2018 Doctors and researchers made the bold decision to try out the phage. Beth Mole, Ars Technica, "Virus fished from pond cures man’s deadly antibiotic-resistant infection," 20 Mar. 2018

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

7 Oct 2019

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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

Rhyming Dictionary: Words that rhyme with phage Encyclopedia article about phage

Comments on phage

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a topic to which one constantly reverts

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