Road surface (6)
'road surface' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for tarmac that I've seen before include "Road surface material of tar and stone" , "Topping" , "Planes taxi on it" , "spread on airport runway" , "Trade name for road surfacing material" .)
'road surface' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for tar that I've seen before include "Dark viscid substance" , "Pitch; sailor" , "Mariner, old salt" , "Thick, sticky liquid distilled from coal" , "Cigarette substance" .)
(Other definitions for bitumen that I've seen before include "coverage on the streets?" , "Road-surfacing material" , "Asphalt" , "Substance for surfacing roads" , "Road's topping" .)
'road surface' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for asphalt that I've seen before include "Road-buiding material" , "Bitumen" , "Substance used in roofing and paving" , "Road surface material" , "Bituminous substance used for roofs and roads" .)