an·​ti·​throm·​bin | \ ˌan-tē-ˈthräm-bən How to pronounce antithrombin (audio) , ˌan-ˌtī- \

Definition of antithrombin

: any of a group of substances that inhibit blood clotting by inactivating thrombin

Examples of antithrombin in a Sentence

Recent Examples on the Web Doctors use a protein called antithrombin to treat a rare genetic disorder that causes dangerous blood clotting, but that molecule is in very short supply. Aaron Rowe, WIRED, "FDA to Evaluate Drugs Made by Genetically Modified Goats," 8 Jan. 2009

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

First Known Use of antithrombin

circa 1911, in the meaning defined above

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The first known use of antithrombin was circa 1911

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Cite this Entry

“Antithrombin.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2021.

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an·​ti·​throm·​bin | \ -ˈthräm-bən How to pronounce antithrombin (audio) \

Medical Definition of antithrombin

: any of a group of substances in blood that inhibit blood clotting by inactivating thrombin — compare antiprothrombin, heparin

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