n. 1. See bitumen. 2. A mixture of bitumen with crushed stone gravel or sand, used for paving or roofing. tr.v. as·phalt·ed, as·phalt·ing, as·phalts To pave or coat with asphalt. [Middle English aspalt, from Medieval Latin asphaltus, from Greek asphaltos.] as·phaltic adj. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.