Pronunciation: (strep"tu-mī'sin), [key]
an antibiotic, C21H39N7O12, 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. Cf. dihydrostreptomycin.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.