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άσφαλτος n
gen. asphalt; asphaltic bitumen
oil asphalt cement; bitumen
ορυκτή άσφαλτος n
environ. bitumen A generic term applied to natural inflammable substances of variable colour, hardness, and volatility, composed principally of a mixture of hydrocarbons substantially free from oxygenated bodies. Bitumens are sometimes associated with mineral matter, the nonmineral constituents being fusible and largely soluble in carbon disulfide, yielding water-insoluble sulfonation products. Petroleum, asphalts, natural mineral waxes, and asphaltites are all considered bitumens
άσφαλτος: 45 phrases in 10 subjects
Chemistry13
Coal3
Construction7
Energy industry1
Environment2
General2
Industry3
Metallurgy1
Oil / petroleum4
Transport9