Meaning of fibril

fi•bril

Pronunciation: (fī'brul, fib'rul), [key]
— n.
  1. a small or fine fiber or filament.
  2. any of the delicate hairs on the young roots of some plants.
  3. any threadlike structure or filament.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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