NOVOBIOCIN

noun Etymology: novo- (perhaps modification of Latin niveus snowy, specific epithet of the bacterium Streptomyces niveus) + bi- + -mycin Date: 1956 a weak dibasic acid C 31 H 36 N 2 O 11 that is highly toxic to humans and is sometimes used as an antimicrobial drug in some serious cases of staphylococcic and urinary tract infection