释义 |
gram·i·ci·din \ˌgraməˈsīdən\ noun (-s) Etymology: gram-positive + -i- + -cide + -in : a crystalline antibiotic of a polypeptide nature produced by a soil bacterium (Bacillus brevis) that is active against most gram-positive disease-producing bacteria in local infections but when introduced into the blood stream is destructive of red blood cells — see tyrothricin |