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From translingual Streptomyces + -in. By surface analysis, strepto- + -mycin.
Etymology from Wiktionary, CC BY-SA 4.0.
streptomycin
Today it means: An aminoglycoside and bactericidal antibiotic C₂₁H₃₉N₇O₁₂ that is produced by a soil actinomycete (Streptomyces griseus), is active against many bacteria, and is administered via intramuscular injection especially in the treatment of infections by gram-negative bacteria. It was the first drug to be successful against tuberculosis but is now chiefly used with other drugs because of its toxic side effects. Full definition →