asbestos(redirected from Naturally-occurring asbestos)
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1. Any of six incombustible chemical-resistant silicate minerals, including one serpentine (chrysotile) and five amphiboles (amosite, crocidolite, and fibrous forms of actinolite, anthophyllite, and tremolite), that separate easily into long, thin, flexible fibers and that have been widely used commercially in products such as fireproofing, electrical insulation, building materials, brake linings, and chemical filters. Mining and use of asbestos has been restricted because inhalation of asbestos fibers can cause asbestosis and cancer.
2. Fabric or material containing any of these mineral forms.
Of, made of, or containing one of these six mineral forms.
[Middle English asbestus, a kind of mineral which could not be extinguished when it caught fire, perhaps also asbestos (whose fibers may have been made into wicks that would never be consumed when used in ever-burning oil lamps), from Medieval Latin, from Latin asbestos, a kind of mineral (exact meaning uncertain), from Greek, quicklime, from asbestos (tintanos), unquenchable (lime), from asbestos, unquenchable (quicklime being so called because it reacts vigorously with water to release heat that can ignite combustible substances) : a-, not; see a-1 + sbennunai, sbes-, to quench.]
as·bes′tine (-tĭn), as·bes′tic (-tĭk) adj.
asbestos(æsˈbɛstɒs; -təs) or
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 a-1 + sbennunai to extinguish]
as•bes•tos(æsˈbɛs təs, æz-)
1. a fibrous mineral, either amphibole or chrysotile, formerly used for making incombustible or fireproof articles and in building insulation.
2. a fabric woven from asbestos fibers, formerly used for theater curtains, firefighters' gloves, etc.Sometimes, as•bes′tus.
[1350–1400; Middle English asbeston, albeston < Middle French < Latin asbestos < Greek: literally, unquenchable]
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.
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|Noun||1.||asbestos - a fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancer|
amphibole - a mineral or mineral variety belonging to the amphibole group
amphibole group - a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum
chrysotile - a grey or green fibrous mineral; an important source of commercial asbestos
tremolite - a white or pale green mineral (calcium magnesium silicate) of the amphibole group used as a form of asbestos
حَرير صَخْري، أسْبيسْتوس
n → Asbest m
asbestos(ӕzˈbestos) noun, adjective
(of) a mineral that will not burn which can protect against fire. an asbestos suit. asbes حَرير صَخْري، أسْبيسْتوس азбест amianto der Asbest asbest αμίαντοςasbesto asbest پنبۀ نسوز asbesti amiante אַסבֶּסט ऐसबेस्टस azbest azbeszt asbes asbest amianto 石綿 석면 asbestas azbests asestos asbestasbestazbest یو نوع ماده چی د پنبی په شان اوبدل کیږی ولی اور نه اخلی amianto azbest асбест azbest; azbestový azbest azbest, azbestni asbest แร่ใยหิน amyant, asbest 石棉 азбест ایک معدنی چیز amiăng 石棉
n. asbesto, amianto.