warfarin

American  

[wawr-fuh-rin] / ˈwɔr fə rɪn /

noun

Chemistry.

1. a colorless, crystalline, water-insoluble anticoagulant, C 19 H 16 O 4 , used chiefly as a rodenticide.

2. Pharmacology. a preparation of this used in the management of potential or existing clotting disorders.

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warfarin British  

/ ˈwɔːfərɪn /

noun

1. a crystalline insoluble optically active compound, used as a rodenticide and, in the form of its sodium salt, as a medical anticoagulant. Formula: C 19 H 16 O 4

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warfarin Scientific  

/ wôr′fər-ĭn /

1. A white crystalline compound used as a rodenticide and as an anticoagulant in medicine. Warfarin is a derivative of coumarin. Chemical formula: C ₁₉ H ₁₆ O ₄ .

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Etymology

Origin of warfarin

1945–50; W(isconsin) A(lumni) R(esearch) F(oundation) (owners of patent) + (coum)arin

Example Sentences

The poisons being targeted — chlorophacinone and warfarin — are known as first-generation anticoagulant rodenticides.

From Los Angeles Times • Sep. 6, 2024

Researchers also found an increased risk of having a ruptured brain aneurysm for people taking four drugs: the blood thinner warfarin; the antidepressant venlafaxine; the antipsychotic and antiemetic drug prochlorperazine; and the painkiller co-codamol.

From Science Daily • Jun. 5, 2024

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

From BBC • Dec. 22, 2023

Among its advantages is that most patients can avoid warfarin for anticoagulation treatment.

From Science Daily • Dec. 7, 2023

Q: I take warfarin every day for A-fib and test my INR weekly to adjust my dosage to stay within suggested guidelines.

From Seattle Times • Sep. 27, 2023