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A white crystalline compound, C19H16O4, that inhibits production of prothrombin and is used in the form of its sodium salt as an anticoagulant drug and as a rodenticide.

[W(isconsin) A(lumni) R(esearch) F(oundation) + (coum)arin.]


(Elements & Compounds) a crystalline insoluble optically active compound, used as a rodenticide and, in the form of its sodium salt, as a medical anticoagulant. Formula: C19H16O4
[C20: from the patent owners W(isconsin) A(lumni) R(esearch) F(oundation) + (coum)arin]


(ˈwɔr fə rɪn)

1. a crystalline anticoagulant, C19H16O4, used as a rodenticide.
2. a preparation of this used in the management of clotting disorders.
[1945–50; W(isconsin)A(lumni)R(esearch)F(oundation) (owners of patent) + (coum) arin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.warfarin - an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus
anticoagulant, anticoagulant medication, decoagulant - medicine that prevents or retards the clotting of blood


[ˈwɔːfərɪn] Nwarfarina f


n warfarina
References in periodicals archive ?
They had killed three police officials during looting petrol pump in Khanewal, abducted Amer Malik son-in-law of a high official for ransom Rs 100 million, abducted American citizen Dr Waran Stine for ransom Rs 300 million and abducted Mohammad Umer for ransom.
Mansoor was arrested, along with-In Charge Rabita Committee Kaiful Waran and two others, from Nine Zero on Midnight raid and remained in the Rangers detention till they produced him before the judicial magistrate.
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Ten people are killed in Waran whereas numbers of people are also killed in Turbat by security forces including two children.
8, but she managed an easy win against Sashina Vignes Waran of France.
Montasir Nasir Waran, Human Rights Monitor, South Kordfan area
Three ladies -- Shanthi Waran, Vasudha Raghunathan and Sangeetha Sridhar -- all UBF members in the Gulf, cooked by using one pot for preparing a dessert, a main-course and a healthy vegetable gravy to serve a three-course meal under 20 minutes.
Puvanes Waran Eilaiyathamby, 45, of Newham, London, was told his case would be adjourned until July 23.
NURSES are tr oo scaredr to speak out about poor carer because of a culturer of "fear and intimidation" in some parts of the NHS, a leading union has waran r ed.
Similarly, a judge in Bahawalpur declared ex-lawmaker Amir Yar Waran, associated with the PPP, as a proclaimed offender for possessing a fake degree.
mir Yar Waran, who was elected from Bahawalpur district, was also indicted in the fake degree case by a lower court.
BADMINTON: Scot Kirsty Gilmour failed to make the main draw of the All-England Open when she lost 10-21 17-21 to France's Sashina Vignes Waran in the final qualifying round in Birmingham yesterday.