THROMBIN
thrombin
(noun) an enzyme that acts on fibrinogen in blood causing it to clot
Source: WordNet® 3.1
Etymology
Noun
thrombin (countable and uncountable, plural thrombins)
(enzyme) An enzyme in blood that facilitates blood clotting by converting fibrinogen to fibrin (by means of ionized calcium).
Synonyms
• factor II
Source: Wiktionary
Throm"bin, n. [See Thrombus.] (Physiol. Chem.)
Definition: The fibrin ferment which produces the formation of fibrin from
fibrinogen.
Source: Webster’s Unabridged Dictionary 1913 Edition