warfarin


war·fa·rin

noun \ˈwr-fə-rən\

Definition of WARFARIN

: a crystalline anticoagulant coumarin derivative C19H16O4 related to dicumarol that inhibits the production of prothrombin by vitamin K and is used as a rodent poison and in medicine; also : its sodium salt C19H15NaO4 used especially in the prevention or treatment of thromboembolic disease—see coumadin

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