单词	mineral wool
释义	mineral wool noun : any of various lightweight vitreous fibrous materials used especially in heat and sound insulation Example Sentences Recent Examples on the Web 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 Word History First Known Use 1870, in the meaning defined above
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