an antibiotic obtained from the bacterium Streptomyces griseus: used in the treatment of tuberculosis and Gram-negative bacterial infections. Formula: C21H39N7O12
WordReference Random House Unabridged Dictionary of American English © 2025
strep•to•my•cin
(strep′tə mī′sin),USA pronunciation n. [Pharm.]
- Drugsan 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.
- Neo-Latin Streptomyc(es) streptomyces + -in2
- 1944
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