单词 | gramicidin |
释义 | gram·i·ci·din (grăm′ĭ-sīdn) n. An antibiotic substance consisting of a mixture of several closely related polypeptides, produced by the soil bacterium Bacillus brevis and used topically to treat infections caused by certain gram-positive bacteria. [GRAM(-POSITIVE) + -CID(E) + -IN.] |
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