1) Asphalt 2) English invention 3) Paving material 4) Pitch 5) Runway covering 6) Tarmac 1) Tar 2) Tarmac 
is a road-building material, consisting of aggregate bound with tar or a tar-bitumen mixture. It contains little material and consequently gives a relatively open surface.
[n] - a paving material of tar and broken stone 2. [n] - a paved surface having compressed layers of broken rocks held together with tar
tarmac noun a paved surface having compressed layers of broken rocks held together with tar