mineral wool

1. 1.

   a light fibrous material used as an insulator

   Synonymsrock wool

   Broaderinsulator

Questions about mineral wool

What does mineral wool mean?

mineral wool means "a light fibrous material used as an insulator".

What is another word for mineral wool?

Close synonyms include rock wool. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is mineral wool a common word?

mineral wool is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.