factor V

noun
\ -ˈfīv How to pronounce factor V (audio) \

Definition of factor V

: a clotting factor produced primarily in the liver that circulates in an inactive form in blood plasma and in its activated form combines with factor X on the surface of platelets to accelerate the conversion of prothrombin to thrombin

First Known Use of factor V

1947, in the meaning defined above

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The first known use of factor V was in 1947

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Cite this Entry

“Factor V.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/factor%20V. Accessed 7 December 2019.

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More Definitions for factor V

factor V

noun
\ -ˈfīv How to pronounce factor V (audio) \

Medical Definition of factor V

: a globulin clotting factor produced primarily in the liver that circulates in an inactive form in blood plasma and in its activated form combines with factor X on the surface of platelets to accelerate the conversion of prothrombin to thrombin

called also accelerator globulin, labile factor, proaccelerin

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