Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An inorganic fibrous substance that is produced by steam blasting and cooling molten glass or a similar substance and is used as an insulator and a filtering material.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a light fibrous material used as an insulator
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hernesheir commented on the word mineral wool
rock-wool
December 2, 2010