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fibril
[ fahy-bruhl, fib-ruhl ]
/ ˈfaɪ brəl, ˈfɪb rəl /
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noun
a small or fine fiber or filament.
Botany. any of the delicate hairs on the young roots of some plants.
Cell Biology. any threadlike structure or filament.
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Origin of fibril
1655–65; <New Latin fibrilla, equivalent to Latin fibr(a) fiber + -illa diminutive suffix
OTHER WORDS FROM fibril
fi·bril·lar, adjectivefi·bril·lose, adjectiveWords nearby fibril
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use fibril in a sentence
Each of these vesicles contains an auditory rod, and is in communication with the auditory nerve through a delicate nerve-fibril.
The Dawn of Reason|James WeirBut a muscular fibril contracts only under the stimulus of a nervous impulse.
The Whence and the Whither of Man|John Mason TylerFī′bril, a small fibre; one of the extremely minute threads composing an animal fibre; Fibril′la, a fibril, filament.
British Dictionary definitions for fibril
fibril
fibrilla (faɪˈbrɪlə, fɪ-)
/ (ˈfaɪbrɪl) /
noun plural -brils or -brillae (-ˈbrɪliː)
a small fibre or part of a fibre
biology a threadlike structure, such as a root hair or a thread of muscle tissue
Derived forms of fibril
fibrilar, fibrillar or fibrillose, adjectivefibrilliform, adjectiveWord Origin for fibril
C17: from New Latin fibrilla a little fibre
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for fibril
fibril
[ fī′brəl, fĭb′rəl ]
n.
A minute fiber.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for fibril
fibril
[ fī′brəl, fĭb′rəl ]
Any of various threadlike fibers or filaments that are constituent parts of a cell or larger structure. Cellulose fibrils are the main component of cell walls in plants. Fibrils make up the contractile part of striated muscle fiber in the body.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.