Range that separates Europe and Asia (5)
'range that separates europe and asia' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for urals that I've seen before include "mountain area" , "Mountains of west-central Russia" , "Mountains on the boundary between Europe and Asia" , "Russian mountain range" , "Russian mountains" .)
(Other definitions for ural that I've seen before include "Europe/Asia river" , "Mountain range in Russia" , "Mountain range between Europe and Asia" , "2,400 km river flowing through Russia and Kazakhstan into the Caspian Sea" , "Russian river giving name to mountain range" .)