anticoagulant

noun

an·​ti·​co·​ag·​u·​lant ˌan-tē-kō-ˈa-gyə-lənt How to pronounce anticoagulant (audio) ˌan-tī- How to pronounce anticoagulant (audio)
: a substance that hinders the clotting of blood : blood thinner
anticoagulant adjective

Examples of anticoagulant 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.
As such, Crowe recommended that those on anticoagulants consult a provider before using high-dose supplements. — Sarah Garone, Health, 3 Dec. 2025 People taking anticoagulants can also experience serious bleeds from small cuts or grazes, uncontrolled nosebleeds, blood in the urine and, more rarely, brain hemorrhages or bleeding in the lungs. — David Cox, NBC news, 5 Feb. 2026 The dialysis unit’s pumps push the blood through the cartridge, while its sensors balance fluid, watch circuit pressures for safety, and automatically meter the anticoagulant that keeps the blood from clotting along the way. — Elie Dolgin, IEEE Spectrum, 4 June 2026 People prescribed warfarin or other anticoagulants are instructed to keep their vitamin K intake consistent. — Beth Thomas, Verywell Health, 27 May 2026 See All Example Sentences for anticoagulant

Word History

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of anticoagulant was in 1886

Rhymes for anticoagulant

See All Rhymes for anticoagulant

Browse Nearby Words

antic masque
anticoagulant
anticodon
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Cite this Entry

“Anticoagulant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anticoagulant. Accessed 8 Jul. 2026.

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Medical Definition

anticoagulant

1 of 2 adjective
an·​ti·​co·​ag·​u·​lant ˌant-i-kō-ˈag-yə-lənt, ˌan-ˌtī- How to pronounce anticoagulant (audio)
: of, relating to, or utilizing anticoagulants
anticoagulant therapy

anticoagulant

2 of 2 noun
: a substance (as a drug) that hinders coagulation and especially coagulation of the blood : blood thinner

More from Merriam-Webster on anticoagulant

Britannica.com: Encyclopedia article about anticoagulant

Last Updated: - Updated example sentences
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