warfarin

noun
war·​fa·​rin | \ ˈwȯr-fə-rən How to pronounce warfarin (audio) \

Definition of warfarin

: a crystalline anticoagulant coumarin derivative C19H16O4 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

Examples of warfarin in a Sentence

Recent Examples on the Web Authorities provided the poison warfarin free of charge. Author: Amanda Coletta, Anchorage Daily News, "Alberta, Canada: Rat-free for 70 years," 28 Sep. 2019 Authorities provided the poison warfarin free of charge. Washington Post, "Alberta, Canada: Rat-free for 70 years!," 28 Sep. 2019 The DOACs are short acting drugs, while warfarin keeps acting for well over 24 hours. Howard Lewine, sun-sentinel.com, "Stay on Coumadin or switch to a new blood thinner?," 14 Aug. 2019 For clots in the legs, doctors usually will put a patient on injectable or IV blood thinners (like heparin), and then move them to blood thinners in a pill form (like warfarin or dabigatran), the Mayo Clinic says. Korin Miller, SELF, "Serena Williams Dedicates Her Wimbledon Performance to ‘All the Moms Out There’ in an Emotional Interview," 17 July 2018 From warfarin, Link derives a drug called Coumadin, which is used as a blood thinner to treat heart patients and prevent blood clotting. Mark Johnson, Milwaukee Journal Sentinel, "UW scientific advances include vitamins, growing human embryonic stem cells in lab," 12 July 2018 One of the most well-known is Coumadin, or its generic version, warfarin. Sandy Bauers, Philly.com, "How high-tech genomics - and simple aspirin - could make your joint replacement better," 17 May 2018 Blood thinners 1941: Karl Paul Link, a professor in UW’s Department of Agriculture, develops the anticoagulant warfarin, used as a rat poison. Mark Johnson, Milwaukee Journal Sentinel, "UW scientific advances include vitamins, growing human embryonic stem cells in lab," 12 July 2018 Based on the results of those tests, a doctor ordered him to discontinue warfarin and switch to another drug. Ken Alltucker, USA TODAY, "As Theranos drama unwinds, former patients claim inaccurate tests changed their lives," 5 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'warfarin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of warfarin

1950, in the meaning defined above

History and Etymology for warfarin

Wisconsin Alumni Research Foundation (its patentee) + coumarin

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The first known use of warfarin was in 1950

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Cite this Entry

“Warfarin.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/warfarin. Accessed 27 January 2020.

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More Definitions for warfarin

warfarin

noun
war·​fa·​rin | \ ˈwȯr-fə-rən How to pronounce warfarin (audio) \

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

More from Merriam-Webster on warfarin

Britannica.com: Encyclopedia article about warfarin

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