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Definition of "heroin" []

  • A white, odorless, bitter crystalline compound, C17H17NO(C2H3O2)2, that is derived from morphine and is a highly addictive narcotic. Also called diacetylmorphine. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "heroin" in a sentence
  • "During a summer internship with the East Harlem Tenants Council, he discovered the drug culture and immediately immersed himself in what he calls his "heroin career.""
  • "He told Cardiff Crown Court that at the time of Tony Singh's death in Newport in November 2010, he regularly smoked heroin but there was what he called a "heroin drought" in Cardiff and he couldn't use his usual supplier."
  • "The core of the KLA were radical Muslim Marxists who trafficked in heroin, and were linked to bin Laden."