gram·i·ci·din
| \ ˌgra-mə-ˈsī-dᵊn
\
\
Definition of gramicidin
: any of several toxic crystalline polypeptide antibiotics produced by a soil bacterium (Bacillus brevis) and used against gram-positive bacteria in local infections
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“Gramicidin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gramicidin. Accessed 22 Jun. 2021.
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gramicidin
noun
gram·i·ci·din
| \ ˌgram-ə-ˈsīd-ᵊn
\
\
Medical Definition of gramicidin
: 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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The first known use of gramicidin was in 1940
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