asphalt

Definitions

General English

General Science

Construction

  • A dark brown to black bitumen pitch that melts readily. It appears in nature in asphalt beds and is also produced as a by-product of the petroleum industry.

Military

  • noun a road surface made of a mixture of tar and gravel

Real Estate

  • noun a brownish-black solid or semisolid substance that is a by-product of petroleum distillation, used for surfacing roads and paths and for waterproofing
  • noun a surfacing material composed mainly of asphalt and gravel that hardens on cooling and is used for making roads and paths

Origin & History of “asphalt”

The ultimate source of asphalt is Greek ásphalton, but when it first came into English it was with the p that had developed in late Latin aspaltus: aspalte. The ph of the original Greek form began to be reintroduced in the 18th century.
http://www.dictionarycentral.com/definition/asphalt.html