prothrombin

noun
pro·​throm·​bin | \ (ˌ)prō-ˈthräm-bən How to pronounce prothrombin (audio) \

Definition of prothrombin

: a plasma protein produced in the liver in the presence of vitamin K and converted into thrombin in the clotting of blood

First Known Use of prothrombin

1898, in the meaning defined above

History and Etymology for prothrombin

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The first known use of prothrombin was in 1898

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Cite this Entry

“Prothrombin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prothrombin. Accessed 3 Apr. 2020.

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More Definitions for prothrombin

prothrombin

noun
pro·​throm·​bin | \ (ˈ)prō-ˈthräm-bən How to pronounce prothrombin (audio) \

Medical Definition of prothrombin

: a plasma protein produced in the liver in the presence of vitamin K and converted into thrombin by the action of various activators (as thromboplastin) in the clotting of blood

Other Words from prothrombin

prothrombic \ -​bik How to pronounce prothrombic (audio) \ adjective

More from Merriam-Webster on prothrombin

Britannica.com: Encyclopedia article about prothrombin

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