Main Entry: strep·to·my·cin

Pronunciation: \-ˈmīs-^ən\

Function: noun

: an antibiotic organic base C₂₁H₃₉N₇O₁₂ that is produced by a soil actinomycete of the genus Streptomyces (S. griseus), is active against bacteria, and is used especially in the treatment of infections (as tuberculosis) by gram-negative bacteria