Толковый словарь английского языка Oxford English Reference - bitumen
Bitumen
bitumen
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1.
noun Etymology: Middle English bithumen mineral pitch, from Latin bitumin-, ~ Date: 15th century an asphalt of Asia Minor used in ancient times as a cement and mortar, any of various mixtures of hydrocarbons (as tar) often together with their nonmetallic derivatives that occur naturally or are obtained as residues after heat-refining natural substances (as petroleum), bituminization noun bituminize transitive verb ...Толковый словарь английского языка
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