fibreglass

Definitions

1. Silica based glass extruded into fibers that possess a length at least 1000 times greater than their width.
   UK, uncountable, usually
2. Ellipsis of fibreglass wool.
   UK, abbreviation, alt-of, ellipsis, uncountable, usually
3. A composite material made from fine fibres of spun glass held together with resin.
   UK, ellipsis, uncountable, usually

Equivalents

CEFR level