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anticoagulant

American  
[an-tee-koh-ag-yuh-luhnt, an-tahy-] / ˌæn ti koʊˈæg jə lənt, ˌæn taɪ- /

adjective

  1. Also anticoagulative preventing coagulation, especially of blood.


noun

  1. an anticoagulant agent, as heparin.

anticoagulant British  
/ ˌæntɪkəʊˈæɡjʊlənt /

adjective

  1. acting to prevent or impair coagulation, esp of blood

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. an agent that prevents or impairs coagulation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
anticoagulant Scientific  
/ ăn′tē-kō-ăgyə-lənt,ăn′tī- /
  1. A substance that prevents the clotting of blood.


Etymology

Origin of anticoagulant

First recorded in 1900–05; anti- + coagulant

Vocabulary lists containing anticoagulant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The anticoagulant drugs and cardiac ablation procedures for treating atrial fibrillation aren’t without complication, so large studies are trying to determine if the additional arrhythmias found by devices like Zio are truly stroke threats.

From Barron's Nov. 5, 2025

Garlic supplements may increase the risk for bleeding, especially if people are taking anticoagulant medication such as warfarin.

From Seattle Times Jan. 17, 2024

Tests found warfarin in Mr Sharrard’s blood - an anticoagulant drug that could lead to serious bleeding.

From BBC Dec. 22, 2023

Patients who received the anticoagulant drug warfarin after bioprosthetic aortic valve replacement had lower incidence of mortality and a decreased risk of blood clots, according to a retrospective study published in Mayo Clinic Proceedings.

From Science Daily Dec. 7, 2023

Los Angeles County approved a motion earlier this year asking the state of California to ban first-generation anticoagulant rodenticides.

From Los Angeles Times Oct. 21, 2023

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