HEROIN


Meaning of HEROIN in English

noun

also her·oine ˈhe]rəwə̇n sometimes ˈhi] or ]ˌrȯin\

( -s )

Etymology: from Heroin, a trademark

: a bitter white crystalline narcotic C 21 H 23 NO 5 made from morphine but more potent than morphine and because of its addictive properties prohibited by law from being manufactured in or imported into the United States and many other countries — called also diacetylmorphine, diamorphine

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.