fiber
a fine, threadlike piece, as of cotton, jute, or asbestos.
a slender filament: a fiber of platinum.
filaments collectively.
matter or material composed of filaments: a plastic fiber.
something resembling a filament.
an essential character, quality, or strength: people of strong moral fiber.
Botany.
filamentous matter from the bast tissue or other parts of plants, used for industrial purposes.
a slender, threadlike root of a plant.
a slender, tapered cell which, with like cells, serves to strengthen tissue.
Anatomy, Zoology. a slender, threadlike element or cell, as of nerve, muscle, or connective tissue.
Nutrition.Also called bulk, dietary fiber, roughage.
the structural part of plants and plant products that consists of carbohydrates, as cellulose and pectin, that are wholly or partially indigestible and when eaten stimulate peristalsis in the intestine.
food containing a high amount of such carbohydrates, as whole grains, fruits, and vegetables.
Chemistry. vulcanized fiber.
Optics. optical fiber.
Origin of fiber
1- Also especially British, fi·bre .
Other words from fiber
- fi·ber·less, adjective
- in·ter·fi·ber, adjective
Words Nearby fiber
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fiber in a sentence
Everything from sweat-wicking Lycra to the polyester fibers of a cozy fleece is plastic, and those materials slough off over time.
Microplastics are everywhere. Here’s what that means for our health. | Ula Chrobak | February 11, 2021 | Popular-ScienceThey run smoothly and dry quickly on both fiber and waxed papers, and come in multiple nib sizes going from 01 to 08, and even the hyper-fine 001 and 003.
Must-have art supplies to let your inner creative shine | Sandra Gutierrez G. | February 11, 2021 | Popular-ScienceCarbon fiber heating elements heat up three areas of the body quickly and temperature levels can be adjusted for your comfort, especially when you start sweating.
Best heated vest: Beat the cold weather with the right winter gear | PopSci Commerce Team | February 9, 2021 | Popular-ScienceNot to mention, the fiber from the celery makes you fuller, longer and also contributes to good gut health as well.
People are starting to think more and more about the environmental impact of home design, and many natural fibers are sustainably produced without leading to deforestation.
The hottest decorating trends for 2021 aren’t trendy at all — and that’s the point | Elizabeth Mayhew | February 2, 2021 | Washington Post
He throws every fiber of his being into each performance, altering his posture, elocution, temperament, and more.
Oscars 2015: The Daily Beast’s Picks, From Scarlett Johansson to ‘Boyhood’ | Marlow Stern | January 6, 2015 | THE DAILY BEASTMemes that ridiculed political leaders and the Hong Kong Police Force shot through fiber optic cables at light speed.
Instead, opt for eating complete meals with good sources of protein and fiber.
With every fiber in my body I hope the answer is a resounding “No.”
As Michael Brown Grand Jury Winds Down, Is Ferguson on the Brink of War? | Ron Christie | November 16, 2014 | THE DAILY BEASTI despise it with every fiber of my being, but freedom of speech is vital to our nation.
To Fight Pam Geller, Join Our Comedy Jihad at the MTA | Dean Obeidallah | September 23, 2014 | THE DAILY BEASTYou know that I come of tough fiber—of that old Creole race of Pontelliers that dry up and finally blow away.
The Awakening and Selected Short Stories | Kate ChopinI watched it, with every fiber of my being revolting against such savagery, and the need for it.
Raw Gold | Bertrand W. SinclairApproximately two-thirds of such chemical employees are found in the synthetic fiber field.
Hallowed Heritage: The Life of Virginia | Dorothy M. TorpeyThese arrow-heads have generally a shoulder where the arrow was set into the shaft, there to be bound tightly with sinew or fiber.
The Wonder Book of Knowledge | VariousThese matches were fuses of some slow-burning fiber, like tow, which would keep a spark for a considerable time.
The Wonder Book of Knowledge | Various
British Dictionary definitions for fiber
/ (ˈfaɪbə) /
the usual US spelling of 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
Scientific definitions for fiber
[ fī′bər ]
The parts of grains, fruits, and vegetables that contain cellulose and are not digested by the body. Fiber helps the intestines absorb water, which increases the bulk of the stool and causes it to move more quickly through the colon.
One of the elongated, thick-walled cells, often occurring in bundles, that give strength and support to tissue in vascular plants. Fibers are one type of sclerenchyma cell.
Any of the elongated cells of skeletal or cardiac muscle, made up of slender threadlike structures called myofibrils.
The axon of a neuron.
Other words from fiber
- fibrous adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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