noun
1. : any of various rubbery substances of mineral origin (as asphalt)
2. : an artificial asphalt obtained usually by blowing petroleum residues with air and used in compounding rubber and in insulation — compare blown oil 2
noun
1. : any of various rubbery substances of mineral origin (as asphalt)
2. : an artificial asphalt obtained usually by blowing petroleum residues with air and used in compounding rubber and in insulation — compare blown oil 2
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012