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
Recent Examples on the Web
Mario Rodriguez, Miami Herald, 23 Oct. 2025
Builders like Van Dam and Boesch meanwhile are building more contemporary vessels from mahogany, while Riva, Bertram and Chris-Craft employ subtle 1960s curves as design cues for their fiberglass vessels.
—Michael Verdon, Robb Report, 22 Oct. 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
On the right side of the room, a steel cut image is projected from the wall with fiberglass rods arranged in an off center trapezoid.
—Mario Rodriguez, Miami Herald, 23 Oct. 2025
Builders like Van Dam and Boesch meanwhile are building more contemporary vessels from mahogany, while Riva, Bertram and Chris-Craft employ subtle 1960s curves as design cues for their fiberglass vessels.
—Michael Verdon, Robb Report, 22 Oct. 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 30 Oct. 2025.
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