| Definition of 'gramicidin' |
Princeton's WordNet |
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1. (noun) gramicidin
an antibiotic produced by a soil bacterium; used chiefly as an antiseptic in treating local infections produced by Gram-positive bacteria
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| Definition of 'gramicidin' |
U.S. National Library of Medicine |
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1. gramicidin
A group of peptide antibiotics from BACILLUS brevis. Gramicidin C or S is a cyclic, ten-amino acid polypeptide and gramicidins A, B, D are linear. Gramicidin is one of the two principal components of TYROTHRICIN which is used topically for gram-positive organisms. It is toxic to blood, liver, kidneys, meninges, and the olfactory apparatus.
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Definitions of gramicidin 
