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also ty·ro·ci·din  (tī′rə-sīd′n)
An antibiotic substance that is a major constituent of tyrothricin and consists of a mixture of several closely related polypeptides produced by the soil bacterium Bacillus brevis.

[tyro(thricin) + (grami)cid(in) + -ine.]


(ˌtaɪrəʊˈsaɪdiːn) or


(Pharmacology) an antibiotic that is the main constituent of tyrothricin
[C20: from tyro(sine) + -cid(e) + -ine1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tyrocidine - a basic polypeptide antibiotic derived from a soil bacteriumtyrocidine - a basic polypeptide antibiotic derived from a soil bacterium; a major component of tyrothricin
antibiotic, antibiotic drug - a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections; "when antibiotics were first discovered they were called wonder drugs"
tyrothricin - a mixture of antibiotics applied locally to infections caused by Gram-positive bacteria
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References in periodicals archive ?
DNA-supercoiling is affected in vitro by the peptide antibiotics tyrocidine and gramicidin.
They found secretion of antimicrobials; gramicidin, gatavalin, polymxin, subtilin, and tyrocidine by biofilms in continuous reactors.
Effects of gramicidin and tyrocidine on pathogenic protozoa and a spirochete.