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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

A law signed in 2020 put a moratorium on second-generation anticoagulant rodenticides.

From Los Angeles Times Oct. 1, 2024

An anticoagulant in vampire bat saliva keeps the blood flowing as the bat laps up a meal.

From Science Daily May 21, 2024

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

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