fibreglass

noun

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

verb

1. (UK)To apply fibreglass to.

   “to fibreglass the hull of a fishing boat”