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 Kuhl, a diabetic, later taught Miller how to use heroin intravenously, according to the claim. Alex Mann, Baltimore Sun, 16 May 2024 As dangerous as heroin is, the great reaping has expanded over the past decade with the pervasive spread of potent semi-synthetic analogues—most notoriously fentanyl. Matt Thompson, SPIN, 13 May 2024 Truck driver Rajdeep Singh, 34, was detained at the Good Hope location during the search and arrested on suspicion of possession of heroin and drug paraphernalia. Noah Goldberg, Los Angeles Times, 13 May 2024 Fentanyl − a drug far more powerful than heroin that replaced it on streets in the U.S. in recent years − poses even greater danger to people with substance use disorders. Eduardo Cuevas, USA TODAY, 11 May 2024 See all Example Sentences for heroin 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'heroin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 15 Jun. 2024.

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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