The Collaborative International Dictionary
Fibrinoplastin
Fibrinoplastin \Fi`bri*no*plas"tin\, n. [Fibrin + Gr. ? to form, mold.] (Physiol.Chem.) An albuminous substance, existing in the blood, which in combination with fibrinogen forms fibrin; -- called also paraglobulin.
Wiktionary
fibrinoplastin
n. (context biochemistry English) An albuminous substance in the blood which, in combination with fibrinogen, forms fibrin.