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 Variations in an enzyme gene called CYP2C9, which allow warfarin to stay in the blood for longer, are quite common in white Europeans and Americans. The Economist, "Pharmacogenomics can show what your body makes of a drug," 14 Mar. 2020 Complications with warfarin cause about one-third of emergency hospital visits for older Americans. The Economist, "Pharmacogenomics can show what your body makes of a drug," 14 Mar. 2020 Part of the problem with warfarin is that for a long time there was no real substitute, so it was used despite its drawbacks. The Economist, "Pharmacogenomics can show what your body makes of a drug," 14 Mar. 2020 But buyer beware: Goji can interact with the blood thinner warfarin and other diabetes and blood pressure drugs. Paul Stephen, ExpressNews.com, "Cooking with Paul: Why freeze-dried fruit should be in your pantry at all times," 8 Feb. 2020 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

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/warfarin. Accessed 24 Feb. 2021.

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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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