Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
heritage language
heritor
heritress
Heriz
herky-jerky
herl
herm
hermaphrodite
hermaphrodite brig
Hermaphroditus
hermeneutic
hermeneutics
Hermes
Hermes Trismegistus
hermetic
hermit
hermit crab
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

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.

Advertisement

© 2009 Microsoft