: any of a group of substances that inhibit blood clotting by inactivating thrombin
Example Sentences
Recent Examples on the WebDoctors 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, 8 Jan. 2009
Word History
First Known Use
1901, in the meaning defined above
Medical Definition
antithrombin
noun
an·ti·throm·bin -ˈthräm-bən
: any of a group of substances in blood that inhibit blood clotting by inactivating thrombin compare antiprothrombin, heparin