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

Dictionary Entries Near Rockwool

Cite this Entry

“Rockwool.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rockwool. Accessed 23 Nov. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!