[ as-bes-tuh s, az- ]
/ æsˈbɛs təs, æz- /
Mineralogy. a fibrous mineral, either amphibole or chrysotile, formerly used for making incombustible or fireproof articles.
a fabric woven from asbestos fibers, formerly used for theater curtains, firefighters' gloves, etc.
Theater. a fireproof curtain.
Origin of asbestos
1350–1400; < Latin < Greek: literally, unquenched, equivalent to a- a-6 + sbestós (sbes- variant stem of sbennýnai to quench + -tos past participle suffix); replacing Middle English asbeston, albeston < Middle French < Latin
Related formsas·bes·tine [as-bes-tin, az-] /æsˈbɛs tɪn, æz-/, as·bes·tous, adjectiveas·bes·toid, as·bes·toi·dal, adjectivenon·as·bes·tine, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for asbestoid
And this asbestoid fibre is made even more fireproof by the anti-Semitism of American uncivilisation.The Melting-Pot|Israel Zangwill
Byssolite or asbestoid is a blue or green fibrous amphibole from Dauphiny.
British Dictionary definitions for asbestoid
/ (æsˈbɛstɒs, -təs) /
- 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
- (as modifier)asbestos matting
Derived Formsasbestine, adjective
Word Origin for asbestos
C14 (originally applied to a mythical stone the heat of which could not be extinguished): via Latin from Greek: from asbestos inextinguishable, from a- 1 + sbennunai to extinguish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for asbestoid (1 of 2)
[ ăs-bĕs′toid′, ăz- ]
Medicine definitions for asbestoid (2 of 2)
[ ăs-bĕs′təs, ăz- ]
Either of two incombustible, chemical-resistant, fibrous mineral forms of impure magnesium silicate, formerly used for fireproofing, electrical insulation, brake linings, and chemical filters but now banned because it causes pleural mesothelioma and asbestosis.
Of, made of, or containing one or the other of these two mineral forms.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for asbestoid
[ ăs-bĕs′təs ]
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.