Dons climb into second, as Hibs hold off revival
Three goals in a devastating eight-minute first-half spell saw Aberdeen secure all three points in Dingwall despite a late rally from Ross County.
Kenny McLean and Adam Rooney hit doubles as the Dons piled on the misery for the bottom club and moved into second.
County substitute Alex Schalk netted twice himself but it was too little, too late as Owen Coyle's side went 13 games without victory with a 4-2 defeat.
Meanwhile, Florian Kamberi's debut goal for Hibernian set the Leith side on their way to a 2-1 win over Motherwell at Easter Road.
The Switzerland Under-21 striker, signed from Grasshoppers of Zurich on loan until the end of the season, marked his first appearance in green and white by hammering in the opener after 27 minutes.
Barely two minutes after the restart, attacker Brandon Barker scored his first Hibs goal since arriving on loan from Manchester City at the start of the season.
Well striker Curtis Main reduced the deficit in the 77th minute but Neil Lennon's side held out for the win.