Standard Lemma guide

fibrin

noun · verb · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈfaɪbɹɪn/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: F AY1 B R AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A white, albuminous, fibrous substance, formed in the coagulation of the blood.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An elastic, insoluble, whitish protein produced by the action of thrombin on fibrinogen and forming an interlacing fibrous network in the coagulation of blood.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An albuminous body, resembling animal fibrin in composition, found in cereal grains and similar seeds; vegetable fibrin.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

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

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: protein

History

Etymology

Etymology tree English fibre Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ineclip. English -in English fibrin From fibre + -in (used to form chemical names of proteins, etc).

Across languages

Translations

11 source translations are retained for this English entry.

  • Asturian: fibrina — fibrous substance
  • Catalan: fibrina — fibrous substance
  • Chinese Mandarin: 血纖蛋白 /血纤蛋白 (xuèxiān dànbái) — fibrous substance
  • Esperanto: fibrino — fibrous substance
  • Finnish: kuituaine — fibrous substance
  • Finnish: fibriini — fibrous substance
  • Hungarian: fibrin — fibrous substance
  • Ido: fibrino — fibrous substance
  • Russian: фибри́н (fibrín) — fibrous substance
  • Spanish: fibrina — fibrous substance
  • Swedish: fibrin — fibrous substance