Definition of bitumen
1 : an asphalt of Asia Minor used in ancient times as a cement and mortar
2 : 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); specifically : such a mixture soluble in carbon disulfide
Origin of bitumen
Middle English bithumen mineral pitch, from Latin bitumin-, bitumen
First Known Use: 15th century
Learn More about bitumen
Britannica.com: Encyclopedia article about "bitumen"
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