fiber

noun

fi·ber | \ ˈfī-bər

Definition of fiber

1 : a thread or a structure or object resembling a thread: such as

a(1) : a slender root (as of a grass)

(2) : an elongated tapering thick-walled plant cell void at maturity that imparts elasticity, flexibility, and tensile strength

b(1) : a strand of nerve tissue : axon, dendrite

(2) : one of the filaments composing most of the intercellular matrix of connective tissue

(3) : one of the elongated contractile cells of muscle tissue

c : a slender and greatly elongated natural or synthetic filament (as of wool, cotton, asbestos, gold, glass, or rayon) typically capable of being spun into yarn

d : mostly indigestible material in food (such as legumes, whole grains, and vegetables) that stimulates the intestine to peristalsis and promotes elimination of waste from the large intestine : bulk, roughage dietary fiber trying to get more fiber in her diet

2 : material made of fibers especially : vulcanized fiber

3a : an element that gives texture or substance

b : basic toughness : strength, fortitude

c : essential structure or character the very fiber of a person's being

Other Words from fiber Synonyms & Antonyms Example Sentences Learn More about fiber

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Examples of fiber in a Sentence

It's important to get enough fiber in your diet. What foods do you recommend as good sources of fiber? foods that are high in fiber The fabric is made from a mix of synthetic fibers. The natural fibers allow the fabric to breathe. The paper is made from both cotton and wood fiber. Nylon is a very strong man-made fiber. The police examined hair and bits of fiber found in the victim's car.

Recent Examples on the Web

There’s an effort to replace the statue with one made out of a fiber filament. — USA TODAY, "Kacey Musgraves, sneaker flap, skiing in July: News from around our 50 states," 3 July 2019 Mash and garnish this fruit with an ounce of pumpkin seeds, which supply plant protein, fiber, heart-healthy fat, zinc for immunity and healing, and magnesium. — Cynthia Sass, Mph, Health.com, "7 Healthy Late-Night Snacks," 3 July 2019 They are made of mink, faux mink, sable, silk, cashmere, or synthetic fibers. — Beth Teitell, BostonGlobe.com, "When it comes to eyelash extensions, the demand is unreal," 3 July 2019 With FiOS fiber service, each house is equipped with an Optical Network Terminal (ONT), which does the heavy lifting of communicating with the FiOS network. — Jon Brodkin, Ars Technica, "Frontier customer bought his own router—but has to pay $10 rental fee anyway," 2 July 2019 The Cherry Creek Arts Festival is juried and competitive — more than 2,000 artists applied for the 265 spots awarded this year across 13 media categories, ranging from jewelry to ceramics to fiber to printmaking. — Ray Mark Rinaldi, The Know, "The business of art: Cherry Creek Arts Fest helps develop new collectors," 30 June 2019 Açaí berries, rich in antioxidants and high in fiber, are either pureed or blended with coconut or almond milk to form the base. — Joey Morona, cleveland.com, "Vitality Bowls brings açaí bowl craze to Rocky River," 28 June 2019 Acetate flake is used to make plastics, films and fibers. — Kara Carlson, Dallas News, "Irving-based Celanese Corp. shuts down Mexican chemicals plant, cuts 200 jobs," 28 June 2019 These sugars generally come in more modest amounts, and alongside a plethora of other good-for-you nutrients like fiber or protein, board-certified health and wellness coach Kim Larson, R.D.N., tells SELF. — Carolyn L. Todd, SELF, "How Much Do You Really Need to Worry About Sugar?," 27 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fiber.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.