Fibrin
6 lettersnounrareUpdated June 2026
Definition
A white, insoluble fibrous protein formed when thrombin acts on fibrinogen during blood clotting, creating a mesh that traps red blood cells and platelets.
“The fibrin mesh formed rapidly to seal the wound and arrest the bleeding.”
Pronunciation
Syllables
fi·brin
Word Game Tips
Wordle
Ends in -IN, a common suffix, and opens with the distinctive FB cluster, contains two I vowels
Scrabble
Worth 11 points, F and B together score 7 points, making this a respectable play for a specialist scientific term
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