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
City officials closed the Southside pool early in the summer of 2022 to replace the fiberglass lining, which had caused swimmers to break out in rashes. Rosalio Ahumada, Sacramento Bee, 15 May 2024 All 1968 Shelby Mustangs were built at Ford’s assembly plant in Metuchen, N.J., and shipped by rail to Livonia, minus a number of fiberglass pieces unique to the Shelby, including the front end, hood, rear tail-lamp panel, deck lid, quarter-panel extension, and side scoops. Robert Ross, Robb Report, 6 May 2024 See all Example Sentences for fiberglass 

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 19 May. 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)

More from Merriam-Webster on fiberglass

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