What is the meaning of Bitumen?

A sticky, black, highly viscous liquid or semi-solid form of petroleum, burning with a bright flame. It occurs as an abundant natural product in many places, as on the shores of the Dead and Caspian Seas. It is used in cements, in the construction of pavements, etc.; Mineral pitch.

Any one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petrolea, and even the light, volatile naphthas.

Roads sealed with bitumen, as opposed to dirt roads.

Canadian deposits of extremely heavy crude oil.

To cover or fill with bitumen.

bitumen, mineral pitch

bitumen

mineral pitch, bitumen

bitumen, blacktop

bitumen

bitumen

bitumen

Source: wiktionary.org