morphine

noun

mor·​phine ˈmȯr-ˌfēn How to pronounce morphine (audio)
: a bitter crystalline addictive narcotic base C17H19NO3 that is the principal alkaloid of opium and is used in the form of a soluble salt (such as a hydrochloride or a sulfate) as an analgesic and sedative

Examples of morphine 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.
Fentanyl, a synthetic opioid, is 50 times more potent than heroin and 100 times more potent than morphine. Ilana Arougheti, Kansas City Star, 11 Jan. 2025 There was a lot of morphine floating around my system. Paul Du Quenoy, Newsweek, 9 Jan. 2025 In fact, in 30 of the 89 samples, at least one of the following prescription medications was present: fentanyl (which has around a hundred times the potency of morphine), carisoprodol (which is a skeletal muscle relaxant) or meprobamate, which an anti-anxiety medication. Bruce Y. Lee, Forbes, 23 Dec. 2024 Records show Dibble’s daily regimen equaled 195 milligrams of morphine. J. David McSwane, ProPublica, 7 Dec. 2024 See all Example Sentences for morphine 

Word History

Etymology

French, from Morpheus

First Known Use

1817, in the meaning defined above

Time Traveler
The first known use of morphine was in 1817

Dictionary Entries Near morphine

Cite this Entry

“Morphine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/morphine. Accessed 18 Jan. 2025.

Kids Definition

morphine

noun
mor·​phine ˈmȯr-ˌfēn How to pronounce morphine (audio)
: a bitter white habit-forming narcotic drug made from opium and used especially to deaden pain
Etymology

derived from Morpheus "Greek god of dreams"

Medical Definition

morphine

noun
mor·​phine ˈmȯr-ˌfēn How to pronounce morphine (audio)
: a bitter crystalline addictive narcotic base C17H19NO3 that is the principal alkaloid of opium and is used in the form of its hydrated sulfate (C17H19NO3)2·H2SO4·5H2O or hydrated hydrochloride C17H19NO3·HCl·3H2O as an analgesic and sedative

More from Merriam-Webster on morphine

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