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Meaning of gramicidin

gram•i•ci•din

Pronunciation: (gram"u-sīd'n), [key]
— n. Pharm.
  1. a crystalline, water-insoluble antibiotic obtained from tyrothrycin by extraction, used chiefly in treating local infections caused by Gram-positive organisms. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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