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fibers - 3 dictionary results

fi⋅ber

[fahy-ber]
–noun
1. a fine, threadlike piece, as of cotton, jute, or asbestos.
2. a slender filament: a fiber of platinum.
3. filaments collectively.
4. matter or material composed of filaments: a plastic fiber.
5. something resembling a filament.
6. an essential character, quality, or strength: people of strong moral fiber.
7. Botany.
a. filamentous matter from the bast tissue or other parts of plants, used for industrial purposes.
b. a slender, threadlike root of a plant.
c. a slender, tapered cell which, with like cells, serves to strengthen tissue.
8. Anatomy, Zoology. a slender, threadlike element or cell, as of nerve, muscle, or connective tissue.
9. Nutrition. Also called bulk, dietary fiber, roughage.
a. 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.
b. food containing a high amount of such carbohydrates, as whole grains, fruits, and vegetables.
10. Chemistry. vulcanized fiber.
11. Optics. optical fiber.
Also, especially British, fibre.


Origin:
1350–1400; 1970–75 for def. 9; ME fibre (< MF) < L fibra filament


fi⋅ber⋅less, adjective
fi·ber   (fī'bər)   
n.  
  1. A slender, elongated, threadlike object or structure.
  2. Botany One of the elongated, thick-walled cells that give strength and support to plant tissue.
  3. Anatomy
    1. Any of the filaments constituting the extracellular matrix of connective tissue.
    2. Any of various elongated cells or threadlike structures, especially a muscle fiber or a nerve fiber.
    3. A natural or synthetic filament, as of cotton or nylon, capable of being spun into yarn.
    4. Material made of such filaments.
    5. Something that provides substance or texture.
    6. Essential character: "stirred the deeper fibers of my nature" (Oscar Wilde).
    7. Basic strength or toughness; fortitude: lacking in moral fiber.
    1. A natural or synthetic filament, as of cotton or nylon, capable of being spun into yarn.
    2. Material made of such filaments.
    3. Something that provides substance or texture.
    4. Essential character: "stirred the deeper fibers of my nature" (Oscar Wilde).
    5. Basic strength or toughness; fortitude: lacking in moral fiber.
    1. Something that provides substance or texture.
    2. Essential character: "stirred the deeper fibers of my nature" (Oscar Wilde).
    3. Basic strength or toughness; fortitude: lacking in moral fiber.
  4. Coarse, indigestible plant matter, consisting primarily of polysaccharides such as cellulose, that when eaten stimulates intestinal peristalsis. Also called bulk, roughage.

[French fibre, from Old French, from Latin fibra.]
fi'bered adj.
fiber   (fī'bər)  Pronunciation Key 
  1. 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.
  2. 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.
  3. Any of the elongated cells of skeletal or cardiac muscle, made up of slender threadlike structures called myofibrils.
  4. The axon of a neuron.

fibrous adjective
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