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

The County Department of Public Works staff will advise people about how to protect their properties, homes, garages, sheds and other structures and provide free sand, sandbags, fiber rolls and items to stabilize properties before rains arrive. — Linda Mcintosh, sandiegouniontribune.com, "Lions Club member receives fellowship award ...community news," 14 July 2018 The other five finalists - Erick Antonio Benitez, Sutton Demlong, Nate Larson, Stephen Towns – all from Baltimore - and Eunice Park, from Parkville- have work in various mediums including sculpture, paintings and fiber arts. — Katie V. Jones, Howard County Times, "Laurel photographer's perceptions of beauty," 12 July 2018 Fiona is featured in a quilt and fiber art show at The Barn in Mariemont through July 1. — Jennie Key, Cincinnati.com, "You have to see how cute the Fiona snow globe is," 11 July 2018 Some fiber originally sold to China was redirected to Vietnam. — Fortune, "China Cancels U.S. Soybean Purchases as Trade War Takes Hold," 6 July 2018 Sheah Rarback A recent article in Molecular Nutrition and Food Research compared mangos with fiber for relief of constipation. — Sheah Rarback, miamiherald, "Ubiquitous mangos taste good - and are good for you, too," 29 June 2018 Fast-forwad to the social media age, and the look has reappeared on the runway of Chanel Resort 2019, where jeans and capris artfully revealed their fibers from thigh to hem. — Liana Satenstein, Vogue, "Are Trashy-Chic, Extreme Ripped Jeans Officially Back?," 21 June 2018 Exterior siding made with wood products such as boards, panels or shingles are also suggested to be replaced with ignition resistant building materials such as stucco, fiber cement, wall siding, fire retardant or treated wood. — Julie Gallant, Ramona Sentinel, "Fire readiness begins with property checks, new fire truck," 21 June 2018 The researchers can tune the distance by increasing or decreasing the tension in the fiber. — Chris Lee, Ars Technica, "Spinning glass ball rejects light from one direction," 27 June 2018

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.