Dictionary.com
definitions
  • synonyms

fiberglass

or fi·ber glass

[fahy-ber-glas, -glahs]
See more synonyms for fiberglass on Thesaurus.com
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.
Show More
verb (used with object)
  1. to cover or form with fiberglass.
Show More
verb (used without object)
  1. to use or work with fiberglass.
Show More

Origin of fiberglass

An Americanism dating back to 1935–40; fiber + glass
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for fiberglass

fiberglass

Examples from the Web for fiberglass

Contemporary Examples of fiberglass

Historical Examples of fiberglass


fiberglass in Science

fiberglass

[fībər-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.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.