Heroin meaning

hĕrō-ĭn
A white, odorless, bitter crystalline compound, C21 H23 NO5 , that is derived from morphine and is a highly addictive illegal narcotic.
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A white, crystalline powder, an acetyl derivative of morphine, C17H17NO(C2H3O2)2: it is a very powerful, habit-forming narcotic whose manufacture and import are prohibited in the U.S.
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A white, odorless, bitter crystalline compound, C21 H23 NO5 , that is derived from morphine and is a highly addictive illegal narcotic.
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A white, odorless, bitter crystalline compound, C17 H17 NO(C2 H3 O2 )2 , that is derived from morphine and is a highly addictive narcotic.
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A powerful and addictive drug derived from opium producing intense euphoria classed as an illegal narcotic in most of the world.
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Origin of heroin

  • German originally a trademark

    From American Heritage Dictionary of the English Language, 5th Edition

  • Since the 1890s from a German trademark, from Ancient Greek ἥρως (hērōs, “hero”) (due to the feelings of power and exaltation while under the influence of the drug).

    From Wiktionary