From Longman Dictionary of Contemporary Englishheroinher‧o‧in /ˈherəʊɪn $ -roʊ-/ noun [uncountable] MDDa powerful and illegal drug made from morphinebe on/use/take heroin a heroin addict
Examples from the Corpus
heroin• a heroin addict• Now the PoliceFoundation is recommending that Ecstasy should no longer be treated as a class-Adrug alongside heroin and cocaine.• Alcohol thus resembles opium and its derivatives morphine and heroin, all of which target the endorphin system.• We are quick to warn our children about the dangers of alcohol, marijuana, heroin and cocaine.• The purity of heroin on the streets has increased more than four times.• Drug warriors frequently remind us that there are few cocaine or heroin addicts who did not smoke marijuana first.• In this sense heroin is a real problem.• Our use of this metaphor is not intended to imply that heroin use is a physical disease with viral or organic origins.• The movie is daring in its unsentimental view of the heroin lifestyle.heroin addict• There was this other guy who was either an aging rocker or a heroin addict, or both.• We know he's a heroin addict.• She was sharing a room with a girl called Anita, an ex heroin addict.• Drug warriors frequently remind us that there are few cocaine or heroin addicts who did not smoke marijuana first.• I was a recovering heroin addict who befriends Nastassja Kinski's character.• Frankfurt has 10,000 registered heroin addicts.• Only with heroin addicts, that can be fatal a lot faster than with smokers.Origin heroin (1800-1900) German Greek heros ( → HERO); because taking it is said to make people feel heroic 