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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.


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

"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

warfarin Scientific  
/ wôrfər-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 .


Etymology

Origin of warfarin

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

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.

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

From Los Angeles Times • Sep. 6, 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

Patients treated with warfarin early postoperatively also had an increased risk of major bleeding events.

From Science Daily • Dec. 7, 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