clotting factor


Definition of clotting factor

: any of several plasma components (such as fibrinogen, prothrombin, thromboplastin, and factor VIII) that are involved in the clotting of blood

called also coagulation factor

Examples of clotting factor in a Sentence

Recent Examples on the Web People with blood clotting factor deficiencies are at risk for persistent bleeding, especially in deep areas of the body, such as joints. Dr. Keith Roach, oregonlive, 22 Dec. 2021 Hemophilia A is a bleeding disorder caused by the lack of blood clotting factor VIII. Dr. Keith Roach, oregonlive, 22 Dec. 2021 Normally, most factor VIII is stabilized in the body by another protein, von Willebrand factor (VWF), which also protects the clotting factor from disintegrating. Rebekah Tuchscherer, Science | AAAS, 9 Sep. 2020 Warfarin and Coumadin work by blocking Vitamin K metabolism in the liver, which is essential to making the body’s clotting factors. Sandy Bauers,, 6 Apr. 2018

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

First Known Use of clotting factor

1916, in the meaning defined above

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The first known use of clotting factor was in 1916

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Cite this Entry

“Clotting factor.” Dictionary, Merriam-Webster, Accessed 30 Sep. 2022.

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More Definitions for clotting factor

clotting factor

clot·​ting factor | \ ˈklät-iŋ- How to pronounce clotting factor (audio) \

Medical Definition of clotting factor

: any of several plasma components (as fibrinogen, prothrombin, and thromboplastin) that are involved in the clotting of blood

called also coagulation factor

— see factor viii, plasma thromboplastin antecedent, transglutaminase — compare factor v, factor vii, factor ix, factor x, factor xii, factor xiii

More from Merriam-Webster on clotting factor

Britannica English: Translation of clotting factor for Arabic Speakers


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