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An antibiotic, C31H36N2O11, produced by the actinomycete Streptomyces nivens, used primarily in research and to treat infections by gram-positive bacteria in certain animals.

[Probably Latin novus, new; see novice + (anti)bio(tic) + -in.]


(Pharmacology) pharmacol an aminocoumarin antibiotic, C31H36N2O11, derived from Streptomyces niveus, which works by inhibiting DNA synthesis in bacteria
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Noun1.novobiocin - an antibiotic obtained from an actinomycete and used to treat infections by Gram-positive bacteria
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"