fiberglass

¹fi·ber·glass

noun \-ˌglas\

Definition of FIBERGLASS

1

: glass in fibrous form used in making various products (as glass wool for insulation)

2

: a composite structural material of plastic and fiberglass

First Known Use of FIBERGLASS

1937

Rhymes with FIBERGLASS

biogas, biomass, bottled gas, cabin class, channel bass, cocktail glass, come to pass, demitasse, dressing glass, forward pass, gallowglass, gravitas, Hallowmas, hippocras, isinglass, laughing gas, lemongrass, looking glass, Loveland Pass, lower-class, master class, middle-class, Montparnasse, opera glass, outlet pass, overclass, overpass, Plexiglas, Rogers Pass, ruby glass, safety glass, sassafras, second-class, shovel pass, solar mass, solemn mass, superclass, tourist class, underclass, underpass, upper-class, votive mass, water glass, weatherglass, working-class