gramicidin

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noun gram·i·ci·din \ˌgra-mə-ˈsī-dən\

Definition of gramicidin

  1. :  any of several toxic crystalline polypeptide antibiotics produced by a soil bacterium (Bacillus brevis) and used against gram-positive bacteria in local infections

Origin and Etymology of gramicidin

gram-positive + -i- + -cide + 1-in


First Known Use: 1940


Medical Dictionary

gramicidin

play
noun gram·i·ci·din \ˌgram-ə-ˈsīd-ən\

Medical Definition of gramicidin

  1. :  an antibacterial mixture produced by a soil bacterium of the genus Bacillus (B. brevis) and used topically against gram-positive bacteria in local infections especially of the eye


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