/ling'keuh muy"sin/ , n. Pharm.
a toxic antibiotic, C 18 H 34 N 2 O 6 S, isolated from Streptomyces lincolnensis, used in its hydrochloride form for the treatment of serious Gram-positive penicillin-resistant infections.
[ 1960-65; linco ( lnensis ) specific epithet of the bacteria + -MYCIN ]