a woollike material for heat and sound insulation, made by blowing steam or air through molten slag or rock.
- Also called rock wool.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use mineral wool in a sentence
Asbestos and mineral wool are the best, and have the additional advantage that they cannot burn.Ontario Teachers' Manuals: Household Science in Rural Schools | Ministry of Education Ontario
In this tier is also found a good deal of mineral wool, which must not be mistaken for asbestos.Cave Regions of the Ozarks and Black Hills | Luella Agnes Owen
This does not act as deadening, unless concrete or mineral wool be placed over it.Convenient Houses | Louis Henry Gibson
This may be filled in with concrete, mineral wool, or other non-conducting material.Convenient Houses | Louis Henry Gibson
One of the best and most available materials at present known for this purpose is 'mineral wool,' a product of iron 'slag.'The House that Jill Built | E. C. Gardner
British Dictionary definitions for mineral wool
a fibrous material made by blowing steam or air through molten slag and used for packing and insulation: Also called: rock wool
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012