fiberglass

or fi·ber glass

[ fahy-ber-glas, -glahs ]

noun

1. a material consisting of extremely fine filaments of glass that are combined in yarn and woven into fabrics, used in masses as a thermal and acoustical insulator, or embedded in various resins to make boat hulls, fishing rods, and the like.

verb (used with object)

1. to cover or form with fiberglass.

verb (used without object)

1. to use or work with fiberglass.

fiberglass

/ fī′bər-glăs′ /

1. A material made up of very fine fibers of glass. Fiberglass is resistant to heat and fire and is used to make various products, such as building insulation and boat hulls. Because the fibers in fiberglass are capable of transmitting light around curves, fiberglass is an important component of fiber optics.

Word History and Origins

Origin of fiberglass¹

An Americanism dating back to 1935–40; fiber + glass

Example Sentences

“There’s enough evidence to show the fiberglass and the body of the drones are manufactured inside Yemen,” Basha said.

From Los Angeles Times

In the future version of Randall, there would be twin-engine planes, cigarette boats moving through Caribbean waters with fiberglass kilos headed to Miami.

From Salon

The composite material comprises chopped fiberglass, aluminium hydroxide and a type of clay derived from volcanic ash as additives.

From Science Daily

This was before fishing rods were made of fiberglass, let alone graphite.

From Los Angeles Times

For homes with centralized systems, he suggested opting for heavier, pleated filters over open-weave fiberglass ones.

From Seattle Times