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1. A material consisting of extremely fine glass fibers, used in making various products, such as yarns, fabrics, insulators, and structural objects or parts. Also called spun glass.
2. A lightweight, durable material consisting of synthetic resin reinforced with such fibers, used in applications such as roofing and boatbuilding.
or fi′ber glass`,
a material consisting of extremely fine filaments of glass that are combined in yarn and woven into fabrics, used in masses as an insulator, or embedded in resins to make boat hulls, fishing rods, and the like.
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.
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