heroin
her.o.in \'her-*-w*n\ \-w*-.niz-*m\ n [fr. Heroin, a trademark] : a strongly addictive narcotic C21H23NO5 made from but more potent than morphine - her.o.in.ism n
Webster's English Dictionaryher.o.in \'her-*-w*n\ \-w*-.niz-*m\ n [fr. Heroin, a trademark] : a strongly addictive narcotic C21H23NO5 made from but more potent than morphine - her.o.in.ism n