fiberglass

1 of 2

noun

fi·​ber·​glass ˈfī-bər-ˌglas How to pronounce fiberglass (audio)
1
: glass in fibrous form used in making various products (such as glass wool for insulation)
2
: a composite structural material of plastic and fiberglass

fiberglass

2 of 2

verb

fiberglassed; fiberglassing; fiberglasses

transitive verb

: to protect or repair by applying fiberglass

Examples of fiberglass in a Sentence

Recent Examples on the Web
Noun
Jeans felt like fiberglass around my abdomen—and pelvic discomfort meant that any pants became my worst enemy. Caroline Reilly, SELF, 4 Apr. 2024 Though fiberglass soon became boating’s preferred primary material, mostly thanks to its easy maintenance, mahogany remains the standard of elegance. The Editors, Robb Report, 28 Mar. 2024 Faye Toogood, Roly-Poly Chair, 2014 Faye Toogood’s Roly-Poly chair, which debuted in 2014 as part of a collection of similarly rotund fiberglass furniture titled Assemblage 4, isn’t just a seminal piece of design — it’s also got a sense of humor. Evan Moffitt, New York Times, 28 Mar. 2024 Construction Modern rods are made of fiberglass, graphite, or a combination of the two. Max Inchausti, Field & Stream, 28 Mar. 2024 Bowen is also the creator of the Wonderland Animals, a menagerie of fiberglass animals — including a turtle, pelican, elephant, camel, kangaroo, swans, horse, and lion — that have accompanied the Plaza bunnies since the 70s. Sidney Steele, Kansas City Star, 7 Mar. 2024 The helmet is constructed from thin, lightweight fiberglass and consists of a backplate, a faceplate and a neck ring. Julia Binswanger, Smithsonian Magazine, 28 Feb. 2024 The aquamarine material can be seen throughout the interior, mostly on countertops and somehow makes strands of raw fiberglass look pretty. Christopher King, Robb Report, 27 Feb. 2024 But the pièce de résistance is the massive set of cascading fiberglass wings sprouting lacy, geometric petals, which affix to the sleeves of the dress. Hannah Jackson, Vogue, 24 Feb. 2024
Verb
Then fiberglass the exterior plywood panel seams. Andy Cochrane, Popular Mechanics, 2 Sep. 2021 Nonskid deck wax is similar to fiberglass waxes but is specifically for boats with nonskid decking. Max Inchausti, Field & Stream, 9 Jan. 2023 The sculptures are constructed from a medley of materials, from wood to fiberglass to clay, and their subject matter varies widely as well. Jeanine Barone, Chicago Tribune, 7 Sep. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fiberglass.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

Noun

1937, in the meaning defined at sense 1

Verb

1967, in the meaning defined above

Time Traveler
The first known use of fiberglass was in 1937

Dictionary Entries Near fiberglass

Cite this Entry

“Fiberglass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiberglass. Accessed 16 Apr. 2024.

Kids Definition

fiberglass

noun
fi·​ber·​glass
-ˌglas
: glass in the form of fibers used in making various products (as yarn, insulation, or boats)

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