an antibiotic, C 21 H 39 N 7 O 12 , produced by a soil actinomycete, Streptomyces griseus, and used in medicine in the form of its white, water-soluble sulfate salt, chiefly in the treatment of tuberculosis.
antibiotic drug, 1944, from Mod.L. Streptomyces, genus name of the soil bacterium from which the antibiotic was obtained, from Gk. streptos "twisted" + mykes "fungus." First isolated by U.S. microbiologist Selman Abraham Waksman (1888-1973).
(strěp'tə-mī'sĭn) An aminoglycoside antibiotic, C21H39O12N7, produced by the actinomycete Streptomyces griseus, given as an intramuscular injection to treat tuberculosis and other bacterial infections.