Definitions for heroinˈhɛr oʊ ɪn

This page provides all possible meanings and translations of the word heroin

Princeton's WordNet

  1. heroin, diacetylmorphine(noun)

    a narcotic that is considered a hard drug; a highly addictive morphine derivative; intravenous injection provides the fastest and most intense rush

Wiktionary

  1. heroin(Noun)

    A powerful and addictive drug derived from opium producing intense euphoria classed as an illegal narcotic in most of the world.

  2. Origin: Since the 1890s from a trademark, from (due to the feelings of power and exaltation while under the influence of the drug).

Freebase

  1. Heroin

    Heroin, also known as diamorphine, and colloquially as H, smack, horse, brown, black, tar, and other names, is an opioid analgesic synthesized by C.R. Alder Wright in 1874 by adding two acetyl groups to the molecule morphine, found in the opium poppy. It is the 3,6-diacetyl ester of morphine. Heroin itself is an active drug, but it is also converted into morphine in the body. When used in medicine it is typically used to treat severe pain, such as that resulting from a heart attack or a severe injury. The name "heroin" is only used when being discussed in its illegal form. When it is used in a medical environment, it is referred to as diamorphine. The white crystalline form considered "pure heroin" is usually the hydrochloride salt, diacetylmorphine hydrochloride. Illicit heroin is sometimes available in freebase form, dulling the sheen and consistency to a matte-white powder. Because of its lower boiling point, the freebase form of heroin is also smokable. It is prevalent in heroin coming from Afghanistan, which as of 2004 produced roughly 87% of the world supply in illicit raw opium. However, production in Mexico has risen six times from 2007 to 2011, changing that percentage and placing Mexico as the second largest opium producer in the world.

U.S. National Library of Medicine

  1. Heroin

    A narcotic analgesic that may be habit-forming. It is a controlled substance (opium derivative) listed in the U.S. Code of Federal Regulations, Title 21 Parts 329.1, 1308.11 (1987). Sale is forbidden in the United States by Federal statute. (Merck Index, 11th ed)


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