anticoagulant

American  

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

adjective

1. Also anticoagulative preventing coagulation, especially of blood.

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noun

1. an anticoagulant agent, as heparin.

anticoagulant British  

/ ˌæntɪkəʊˈæɡjʊlənt /

adjective

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

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noun

1. an agent that prevents or impairs coagulation

anticoagulant Scientific  

/ ăn′tē-kō-ăg′yə-lənt,ăn′tī- /

1. A substance that prevents the clotting of blood.

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Etymology

Origin of anticoagulant

First recorded in 1900–05; anti- + coagulant

Example Sentences

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

The animals were tested by the California Department of Fish and Wildlife’s Wildlife Health Lab and found the animals had anticoagulant rodenticide diphacinone in the stomach and liver, according to a statement from the agency.

From Los Angeles Times • Aug. 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

The risk of MCI was higher in patients with AF who did not receive oral anticoagulant treatment and amiodarone treatment.

From Science Daily • Oct. 25, 2023