heroin

noun

her·​o·​in ˈher-ə-wən How to pronounce heroin (audio)
ˈhe-rə-
: 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
heroinism noun

Examples of heroin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Silk Road facilitated over 1.5 million transactions, generating more than $200 million in revenue from the sale of heroin, methamphetamine, cocaine and other drugs, authorities have said. David Yaffe-Bellany, New York Times, 23 Jan. 2025 During the search, authorities reportedly seized an unspecified amount of crack cocaine, heroin/fentanyl, packaging materials commonly used in street-level drug sales and $560, Bessette said. Justin Muszynski, Hartford Courant, 22 Jan. 2025 Buckley’s father, musician Tim Buckley, died of a heroin overdose when Jeff was 8, and Jeff was raised by his mother, Mary Guibert, who has been the keeper of his archive since his death. Rebecca Keegan, The Hollywood Reporter, 21 Jan. 2025 In a letter sent Monday, the group voiced concerns over Kennedy's history of supporting conspiracy theories, his anti-vaccine views, past liberal stances, and struggles with heroin addiction. Hannah Parry, Newsweek, 21 Jan. 2025 See all Example Sentences for heroin 

Word History

Etymology

from Heroin, a trademark

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of heroin was in 1898

Dictionary Entries Near heroin

Cite this Entry

“Heroin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heroin. Accessed 27 Jan. 2025.

Kids Definition

heroin

noun
her·​o·​in ˈher-ə-wən How to pronounce heroin (audio)
: a strongly addictive drug made from the opium poppy and stronger than morphine

Medical Definition

heroin

noun
her·​o·​in ˈher-ə-wən How to pronounce heroin (audio)
: 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 United States but is used illicitly for its euphoric effects

called also acetomorphine, diacetylmorphine, diamorphine

More from Merriam-Webster on heroin

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