Main Entry: strep·to·my·cin

Pronunciation: \-ˈmī-s^ən\

Function: noun

Date: 1944

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