colicin

noun
co·​li·​cin | \ ˈkō-lə-sən How to pronounce colicin (audio) \
variants: or less commonly colicine \ ˈkō-​lə-​ˌsēn How to pronounce colicin (audio) \

Definition of colicin

: any of various antibacterial substances produced by strains of intestinal bacteria (as of E. coli)

First Known Use of colicin

1946, in the meaning defined above

History and Etymology for colicin

French colicine, from col- + -cine (as in streptomycine streptomycin)

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The first known use of colicin was in 1946

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Cite this Entry

“Colicin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/colicin. Accessed 26 Feb. 2021.

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More Definitions for colicin

colicin

noun
co·​li·​cin | \ ˈkō-lə-sən How to pronounce colicin (audio) \
variants: also colicine \ -​ˌsēn How to pronounce colicin (audio) \

Medical Definition of colicin

: any of various antibacterial proteins that are produced by some strains of intestinal bacteria (as E. coli) having a specific plasmid and that often act to inhibit macromolecular synthesis in related strains

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