a woollike material for heat and sound insulation, made by blowing steam or air through molten slag or rock.
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Lexical Investigations: StuffAs a noun and a verb, the word stuff has had many lives, dating all the way back to the 1300s. The sense of wool and cloth is chiefly British. In the nineteenth century, a junior barrister was called a “stuff gownsman,” because his robes were made of wool, unlike a barrister appointed to the Queen’s Council, who was called a “silk gownsman,” and whose promotion …
- mineral spring,
- mineral tar,
- mineral water,
- mineral wax,
- mineral wells,
Origin of mineral wool
First recorded in 1880–85
Also called rock wool.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a fibrous material made by blowing steam or air through molten slag and used for packing and insulationAlso 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