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  1. Dictionary
    heroin
    /ˈhɛrəʊɪn/

    noun

    • 1. a highly addictive analgesic drug derived from morphine, often used illicitly as a narcotic producing euphoria.

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  2. en.wikipedia.org › wiki › HeroinHeroin - Wikipedia

    Heroin, also known as diacetylmorphine and diamorphine among other names, [1] is a morphinan opioid substance synthesized from the dried latex of the Papaver somniferum plant; it is mainly used as a recreational drug for its euphoric effects. Medical-grade diamorphine is used as a pure hydrochloride salt.

  3. nida.nih.gov › publications › research-reportsWhat is heroin and how is it used? | National Institute on Drug...

    Heroin is an illegal, highly addictive drug processed from morphine, a naturally occurring substance extracted from the seed pod of certain varieties of poppy plants. It is typically sold as a white or brownish powder that is "cut" with sugars, starch, powdered milk, or quinine.

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  5. www.britannica.com › science › heroinHeroin | Definition, Effects, Abuse, & Facts | Britannica

    Jun 12, 2024 · Heroin, highly addictive morphine derivative that makes up a large portion of the illicit traffic in narcotics. Heroin is made by treating morphine with acetic anhydride; the resulting substance is four to eight times as potent as morphine.

  6. www.merriam-webster.com › dictionary › heroinHeroin Definition & Meaning - Merriam-Webster

    The meaning of HEROIN is a strongly physiologically addictive narcotic C21H23NO5 that is made by acetylation of but is more potent than morphine and that is prohibited for medical use in the U.S. but is used illicitly for its euphoric effects.

  7. nida.nih.gov › research-topics › heroinHeroin | National Institute on Drug Abuse (NIDA)

    Heroin is an opioid drug made from morphine, a natural substance taken from the seed pod of the various opium poppy plants grown in Southeast and Southwest Asia, Mexico, and Colombia. Heroin can be a white or brown powder, or a black sticky substance known as black tar heroin. Learn about the health effects of heroin and read the Research Report.

  8. www.healthline.com › health › substance-useWhat Is Heroin? Addiction Risk, Safety, and How to Get Support -...

    Nov 11, 2022 · Heroin is a powerful opioid that carries a high risk of addiction. Get the details on heroin's side effects, signs of an overdose, and safety tips.

  9. dictionary.cambridge.org › dictionary › englishHEROIN | English meaning - Cambridge Dictionary

    uk / ˈher.əʊ.ɪn / us / ˈher.oʊ.ɪn / Add to word list. a powerful illegal drug: Heroin is obtained from morphine and is extremely addictive. a heroin addict. She died from a heroin overdose. Fewer examples. 23 people were arrested and large quantities of heroin were seized in a dawn raid .

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