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/ˌstɹɛp.tə(ʊ)ˈmʌɪ.sɪn/ · noun
(pharmacology) 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..
Use streptomycin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Streptomycin means (pharmacology) 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..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use streptomycin where its definition matches the intended context.
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