Definition of "fibreglass" in English

noun

1. Silica based glass extruded into fibers that possess a length at least 1000 times greater than their width.

2. Ellipsis of fibreglass wool.

3. (ellipsis) A composite material made from fine fibres of spun glass held together with resin.

verb

1. To apply fibreglass to.

   • to fibreglass the hull of a fishing boat