mineral wool Hear it!

mineral wool definition

☆ mineral wool

a fibrous material made from molten rock, slag, or glass and used as insulation in buildings

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.