/ Dictionary / Index A asphalt: Meaning and Definition of Find definitions for: as•phalt Pronunciation: (as'fôlt or, esp. Brit., -falt), [key] — n. any of various dark-colored, solid, bituminous substances, native in various areas of the earth and composed mainly of hydrocarbon mixtures. a similar substance that is the by-product of petroleum-cracking operations. a mixture of such substances with gravel, crushed rock, or the like, used for paving. —v.t. to cover or pave with asphalt. —adj. of, pertaining to, or containing asphalt: asphalt tile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: asphalt (Thesaurus) aspersorium asphaltene Related Content Daily Word Quiz: boorish Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language