DictionaryasbestosFire-resistant mineral
noun

asbestos

az-BES-tus/æzˈbestəs/

A fibrous, fire-resistant mineral once widely used in insulation.

The building survey identifies asbestos in the old pipe insulation.

A close specimen view of asbestos: a gray-green mineral fragment splitting into silky white fibers, beside an old pipe section with exposed fibrous insulation.
Etymology

The Greek pieces mean “inextinguishable,” a name used for quicklime. That name was transferred to mineral fiber capable of being woven into cloth that would not burn.

In context

Seeker2:03
the asbestos family of minerals have been used in heat-resistant fabrics, paints and plastics, paper products, car brakes and clutches, and in building materials such as roofing, siding, flooring and insulation.
WTF Is Asbestos, Really?!

More examples

  • The report documents where asbestos was used.
  • The museum label describes the material's asbestos fibers.
  • The renovation plan includes professional removal of the asbestos.

Similar words

insulation
A broad protective material category rather than this specific mineral.