Fiber definitions

fī'bər
A slender, threadlike structure made from a mineral or synthetically.

Rayon fibers.

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A threadlike root.
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The texture of something.

A fabric of coarse fiber.

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Character or nature; quality.

A man of strong moral fiber.

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A slender, elongated, threadlike object or structure.
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One of the elongated, thick-walled cells that give strength and support to plant tissue.
noun
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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.
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Coarse, indigestible plant matter, consisting primarily of polysaccharides such as cellulose, that when eaten stimulates intestinal peristalsis.
noun
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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.
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Any of the elongated cells of skeletal or cardiac muscle, made up of slender threadlike structures called myofibrils.
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The axon of a neuron.
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One of the elongated, thick-walled cells that give strength and support to plant tissue.
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Coarse, indigestible plant matter, consisting primarily of polysaccharides such as cellulose, that when eaten stimulates intestinal peristalsis.
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The definition of a fiber is a thin, threadlike structure that combines to form animal or plant tissue, or a thin, threadlike structure made synthetically or from minerals.

An example of fiber is what is found in asparagus.

An example of fiber is a thread in a ball of rayon yarn.

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(countable) A single elongated piece of a given material, roughly round in cross-section, often twisted with other fibers to form thread.

The microscope showed a single blue fiber stuck to the sole of the shoe.

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(textiles) A material whose length is at least 1000 times its width.

Please use polyester fiber for this shirt.

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Dietary fiber.

Fresh vegetables are a good source of fiber.

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(uncountable) A material in the form of fibers.

The cloth is made from strange, somewhat rough fiber.

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Any of the filaments constituting the extracellular matrix of connective tissue.
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Any of various elongated cells or threadlike structures, especially a muscle fiber or a nerve fiber.
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A natural or synthetic filament, as of cotton or nylon, capable of being spun into yarn.
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Material made of such filaments.
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An essential element of a person's character.
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Strength of character; fortitude.

Lacking in moral fiber.

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A slender, threadlike structure that combines with others to form animal or vegetable tissue.
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The tissue so formed.

Muscle fiber.

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Any substance that can be separated into threads or threadlike structures for spinning, weaving, etc.

Cotton fiber.

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Any such thread or structure.

Wool fibers.

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Any of the filaments constituting the extracellular matrix of connective tissue.
noun
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Any of various elongated cells or threadlike structures, especially a muscle fiber or a nerve fiber.
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(figuratively) Moral strength and resolve.

The ordeal was a test of everyone's fiber.

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(mathematics) The preimage of a given point in the range of a map.

Under this map, any two values in the fiber of a given point on the circle differ by 2π

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(computing) A kind of lightweight thread of execution.
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Origin of fiber

From French fibre, from Old French, from Latin fibra