as·phalt (ăs'fôlt')
n.

1. A brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing.
2. Mixed asphalt and crushed stone gravel or sand, used for paving or roofing.

tr.v., -phalt·ed, -phalt·ing, -phalts.
To pave or coat with asphalt.

[Middle English aspalt, from Medieval Latin asphaltus, from Greek asphaltos.]

asphaltic as·phal'tic adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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