fi·ber·glass
ˈfī-bər-ˌglas 
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
fiberglassed; fiberglassing; fiberglasses
: to protect or repair by applying fiberglass
Examples of fiberglass in a Sentence
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Anne D'innocenzio, Chicago Tribune, 15 May 2025
Apart from being functional art, what makes the Elan interesting is its novel construction, being the first Lotus road car to use a steel backbone chassis with a fiberglass body.
—Robert Ross, Robb Report, 18 Apr. 2025
Melissa Repko, CNBC, 15 May 2025
Many mattress manufacturers switched to fiberglass as an alternative.
—Anna Giorgi, Verywell Health, 3 Sep. 2024
See All Example Sentences for fiberglass
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Noun
Walmart is also asking suppliers to swap input materials for components if possible, for example, using fiberglass instead of aluminum, which Trump hit with tariffs in early March.
—Anne D'innocenzio, Chicago Tribune, 15 May 2025
Apart from being functional art, what makes the Elan interesting is its novel construction, being the first Lotus road car to use a steel backbone chassis with a fiberglass body.
—Robert Ross, Robb Report, 18 Apr. 2025
Verb
Suppliers have shifted from materials like aluminum, which faces tariffs, to fiberglass.
—Melissa Repko, CNBC, 15 May 2025
Many mattress manufacturers switched to fiberglass as an alternative.
—Anna Giorgi, Verywell Health, 3 Sep. 2024
See All Example Sentences for fiberglass
Cite this Entry
“Fiberglass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiberglass. Accessed 4 Jun. 2025.
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