fibrin

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun 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

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

When Pinecoffin had quite written himself out about flesh-formers, and fibrins, and glucose and the nitrogenous constituents of maize and lucerne, Nafferton raised the question of expense. — The Works of Rudyard Kipling: One Volume Edition, Rudyard Kipling

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