- an enzyme that acts on fibrinogen in blood causing it to clot
WordReference Random House Unabridged Dictionary of American English © 2026
throm•bin
(throm′bin),USA pronunciation n. [Biochem.]
- Biochemistryan enzyme of the blood plasma that catalyzes the conversion of fibrinogen to fibrin, the last step of the blood clotting process.
- thromb(us) + -in2 1895–1900
Collins Concise English Dictionary © HarperCollins Publishers::
thrombin /ˈθrɒmbɪn/ n
'thrombin' also found in these entries (note: many are not synonyms or translations):