Fiberglas Hear it!

Fiberglas definition

☆ Fi·ber·glas (-glas′)

finespun filaments of glass made into yarn that is woven into textiles, used in woolly masses as insulation, and pressed and molded as plastic material

noun

this substance

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

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