mineral wool


noun
  1. a woollike material for heat and sound insulation, made by blowing steam or air through molten slag or rock.

Origin of mineral wool

1
First recorded in 1880–85

Words Nearby mineral wool

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How to use mineral wool in a sentence

British Dictionary definitions for mineral wool

mineral wool

noun
  1. a fibrous material made by blowing steam or air through molten slag and used for packing and insulation: Also called: rock wool

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