noun, verb ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A white, albuminous, fibrous substance, formed in the coagulation of the blood. uncountable, usually
2. 2
   a white insoluble fibrous protein formed by the action of thrombin on fibrinogen when blood clots; it forms a network that traps red cells and platelets wordnet
3. 3
   An elastic, insoluble, whitish protein produced by the action of thrombin on fibrinogen and forming an interlacing fibrous network in the coagulation of blood. uncountable, usually
4. 4
   An albuminous body, resembling animal fibrin in composition, found in cereal grains and similar seeds; vegetable fibrin. uncountable, usually

Verb

1. 1
   To apply fibrin sealant to a surgical site to either stop bleeding or for surgical flap closure.

Synonyms

All synonyms

factor iafactor iamyxon

Etymology

From fibre + -in (used to form chemical names of proteins, etc).

Related phrases

vegetable fibrin

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.