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nounany of various naturally occurring impure mixtures of hydrocarbonstype of:
Definition that contains bitumen
- bituminous resembling or containing bitumen
- tar pit a natural accumulation of bitumens at the surface of the earth; often acts as a trap for animals whose bones are thus preserved
- bituminoid like bitumen
- bituminize treat with bitumen
- bituminise treat with bitumen
- bitumenoid like bitumen