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
Brad Moon, Forbes.com, 25 May 2025
Photo : Nils Timm A custom lacquered fiberglass bar serves as a focal point of the cocktail lounge.
—Wendy Bowman, Robb Report, 19 Mar. 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
Two-way Bookshelf Speakers The speakers included with this system are each equipped with a 2-inch silk dome tweeter for crisp high notes with 4.5-inch fiberglass cones covering the mid-range and bass.
—Brad Moon, Forbes.com, 25 May 2025
Photo : Nils Timm A custom lacquered fiberglass bar serves as a focal point of the cocktail lounge.
—Wendy Bowman, Robb Report, 19 Mar. 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 10 Jun. 2025.
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