ˌ ̷ ̷ ̷ ̷ˈmīs ə n noun
( -s )
Etymology: New Latin Streptomyces + English -in
: an antibiotic organic base C 21 H 39 N 7 O 12 that is produced by a soil actinomycete ( Streptomyces griseus ), that is active against many bacteria, and that is administered chiefly in the form of salts in the treatment of tuberculosis, tularemia, and other infections caused especially by gram-negative bacteria — compare dihydrostreptomycin