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antibiotic drug, 1944, from Modern Latin Streptomyces, genus name of the soil bacterium from which the antibiotic was obtained, from Greek streptos "twisted" + -mycin, element used in forming names of substances obtained from fungi, from Latinized form of Greek mykes "fungus" (see mucus). First isolated by U.S. microbiologist Selman Abraham Waksman (1888-1973) and others.
streptomycin strep·to·my·cin or strep·to·my·cin A (strěp'tə-mī'sĭn)
An antibiotic obtained from Streptomyces griseus and used against the tubercle bacillus and other bacteria.