mineral wool
noun
: any of various lightweight vitreous fibrous materials used especially in heat and sound insulation
Examples of mineral wool in a Sentence
Recent Examples on the Web
Insulation, usually mineral wool, is continuous in application.
—
Richard Olsen, Forbes, 26 Jan. 2025
Each pod contains a selection of non-GMO seeds encapsulated in a soil-free mineral wool growth medium.
—New Atlas, 8 Jan. 2025
Instead of using traditional fiberglass insulation in the walls, use Rockwool, also referred to as mineral wool.
—Joseph Truini, Popular Mechanics, 31 May 2023
In most attics, that involves sealing all air leaks in the attic floor — including hard-to-reach ones behind chimneys, knee walls, and dormers — and laying down a thick layer of mineral wool or cellulose insulation.
—Jon Gorey, BostonGlobe.com, 12 June 2022
But that would require more layers of drywall, adding to costs, so Skender is sticking with its original plan while seeking more suppliers of mineral wool, said Andy Halik, a company vice president.
—Lydia O’Neal, WSJ, 6 Oct. 2021
It can be effectively blown over existing insulation and is available in fiberglass, cellulose, and mineral wool.
—Timothy Dahl, Popular Mechanics, 13 Jan. 2019
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Richard Olsen, Forbes, 26 Jan. 2025
Each pod contains a selection of non-GMO seeds encapsulated in a soil-free mineral wool growth medium.
—New Atlas, 8 Jan. 2025
Instead of using traditional fiberglass insulation in the walls, use Rockwool, also referred to as mineral wool.
—Joseph Truini, Popular Mechanics, 31 May 2023
In most attics, that involves sealing all air leaks in the attic floor — including hard-to-reach ones behind chimneys, knee walls, and dormers — and laying down a thick layer of mineral wool or cellulose insulation.
—Jon Gorey, BostonGlobe.com, 12 June 2022
But that would require more layers of drywall, adding to costs, so Skender is sticking with its original plan while seeking more suppliers of mineral wool, said Andy Halik, a company vice president.
—Lydia O’Neal, WSJ, 6 Oct. 2021
It can be effectively blown over existing insulation and is available in fiberglass, cellulose, and mineral wool.
—Timothy Dahl, Popular Mechanics, 13 Jan. 2019
Cite this Entry
“Mineral wool.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mineral%20wool. Accessed 15 Jun. 2025.
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