Dictionary

fibril

noun fi·bril \ˈfī-brəl, ˈfi-\

Definition of FIBRIL

:  a small filament or fiber: as
a :  root hair
b (1) :  one of the fine threads into which a striated muscle fiber can be longitudinally split
(2) :  neurofibril
fi·bril·lar \ˈfi-brə-lər, ˈfī-\ adjective

Origin of FIBRIL

New Latin fibrilla, diminutive of Latin fibra
First Known Use: 1664
Medical Dictionary

fibril

noun fi·bril \ˈfīb-rəl, ˈfib-\

Medical Definition of FIBRIL

:  a small filament or fiber: as a :  one of the fine threads into which a striated muscle fiber can be longitudinally split b :  neurofibril

Browse

2 ENTRIES FOUND:
Next Word in the Dictionary: fibrillar theoryPrevious Word in the Dictionary: fibreAll Words Near: fibril
July 01, 2015
precarious Hear it
not certain, secure, or steady
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears