First Known Use: 1950
Dictionary
warfarin
noun war·fa·rin \ˈwȯr-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
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Origin of WARFARIN
Wisconsin Alumni Research Foundation (its patentee) + coumarin
Medical Dictionary
warfarin
noun war·fa·rin \ˈwȯr-fə-rən\
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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