Rockwool

trademark

Rock·​wool ˈräk-ˌwu̇l How to pronounce Rockwool (audio)
used for mineral wool made by blowing a jet of steam through molten rock (such as limestone or siliceous rock) or through slag and used chiefly for heat and sound insulation

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Cite this Entry

“Rockwool.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rockwool. Accessed 19 Mar. 2024.

Kids Definition

rock wool

noun
: a material resembling wool made by blowing a jet of steam through melted rock and used chiefly for heat and sound insulation
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