|asbestos (æsˈbɛstɒs, -təs)|
|a. any of the fibrous amphibole and serpentine minerals, esp chrysotile and tremolite, that are incombustible and resistant to chemicals. It was formerly widely used in the form of fabric or board as a heat-resistant structural material|
|b. (as modifier): asbestos matting|
|[C14 (originally applied to a mythical stone the heat of which could not be extinguished): via Latin from Greek: from asbestos inextinguishable, from |
asbestos as·bes·tos or as·bes·tus (ās-běs'təs, āz-)
Either of two incombustible, chemical-resistant, fibrous mineral forms of impure magnesium silicate, used for fireproofing, electrical insulation, brake linings, and chemical filters. adj.
Of, made of, or containing one or the other of these two mineral forms.
|asbestos (ās-běs'təs) Pronunciation Key
Any of several fibrous mineral forms of magnesium silicate. Asbestos is resistant to heat, flames, and chemical action. Some forms have been shown to cause lung diseases. For this reason, asbestos is no longer used to make insulation, fireproofing material, and brake linings.