asphalt

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as·phalt / ˈasfôlt/ • n. a mixture of dark bituminous pitch with sand or gravel, used for surfacing roads, flooring, roofing, etc. ∎  the pitch used in this mixture, sometimes found in natural deposits but usually made by the distillation of crude oil.• v. [tr.] cover with asphalt.DERIVATIVES: as·phal·tic / asˈfôltik/ adj.

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