Dictionary

warfarin

noun war·fa·rin \ˈwr-fə-rən\

Definition of WARFARIN

:  a crystalline anticoagulant coumarin derivative C19H16O4 used chiefly in the form of its sodium salt as a rodent poison and in medicine

Origin of WARFARIN

Wisconsin Alumni Research Foundation (its patentee) + coumarin
First Known Use: 1950

warfarin

noun war·fa·rin \ˈwr-fə-rən\   (Medical Dictionary)

Medical 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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