The Collaborative International Dictionary of English v.0.48:
Asphaltic \As*phal"tic\, a. Pertaining to, of the nature of, or containing, asphalt; bituminous. "Asphaltic pool." "Asphaltic slime." --Milton. [1913 Webster]WordNet (r) 3.0 (2006):
asphaltic adj 1: containing asphalt; "asphaltic residues"