heroin definition - Dictionary

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heroin

her·o·in [ hérrō in ]

noun

Definition:

addictive narcotic: a white powder derived from morphine that is a highly addictive narcotic drug. It is prohibited for medical use in most countries. ( often used before a noun )

a heroin addict

[Late 19th century. < German]

Spelling Note


	heroin or heroine? Do not confuse the spelling of heroin and heroine, which sound similar. Heroin is an addictive drug, as in heroin users, an overdose of heroin. A heroine is a brave woman or girl or the main woman or girl character of a novel, play, or movie.