bituminous cement

(materials) A bituminous material suitable for use as a binder, having cementing qualities which are dependent mainly on its bituminous character.

A black substance available in solid, semisolid, or liquid states at normal temperatures; composed of mixed indeterminate hydrocarbons; appreciably soluble only in carbon disulfide or other volatile liquid hydrocarbon; esp. used in sealing built-up roofing and between joints and in cracks of concrete pavements.