Definition of asbestos noun from the Oxford Advanced Learner's Dictionary



BrE BrE//æsˈbestəs//
; NAmE NAmE//æsˈbestəs//
[uncountable] Construction, Waste and pollution
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a soft grey mineral that does not burn, used especially in the past in building as a protection against fire or to prevent heat loss See related entries: Construction, Waste and pollution Word Originearly 17th cent., via Latin from Greek asbestos ‘unquenchable’ (applied by Dioscurides to quicklime), from a- ‘not’ + sbestos (from sbennumi ‘quench’).
See the Oxford Advanced American Dictionary entry: asbestos