Asphalt - Definition

n 1: mixed asphalt and crushed gravel or sand; used especially
for paving but also for roofing
2: a dark bituminous substance found in natural beds and as
residue from petroleum distillation; consists mainly of
hydrocarbons [syn: asphalt, mineral pitch]
v 1: cover with tar or asphalt; "asphalt the driveway"