Warfarin definitions

wôr'fər-ĭn
A white crystalline compound, C19 H16 O4 , that inhibits production of prothrombin and is used in the form of its sodium salt as an anticoagulant drug and rodenticide.
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A colorless, odorless, tasteless rat poison, C19H16O4, a crystalline powder that causes fatal internal bleeding in rodents.
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This drug neutralized with sodium hydroxide, used in medicine as an anticoagulant.
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A white crystalline compound, C19 H16 O4 , that inhibits production of prothrombin and is used in the form of its sodium salt as an anticoagulant drug and as a rodenticide.
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A white crystalline compound used as a rodenticide and as an anticoagulant in medicine. Warfarin is a derivative of coumarin. Chemical formula: C19H16O4.
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(pharmacology) An anticoagulant medication that is used for the prophylaxis of thrombosis and embolism in many disorders.
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Origin of warfarin

Based on the initialism WARF (Wisconsin Alumni Research Foundation). Compare coumarin.