washboarding
Scrubbing on ridges
Washboarding describes a road surface pattern of parallel ridges and grooves, resembling an old-fashioned washboard.
Unpaved roads develop this corrugation from repeated vehicle traffic: The dirt road was so washboarded we could barely keep control.
The term also applies to the rippled texture that forms on skis or snowboards, or to a laundry technique using a washboard.
corrugation
Series of parallel ridges
rough · uneven · dirt · jarring · vibration · potholes · terrain · off-road · suspension · four-wheel-drive
road surface quality
washboardingsmoothness
Freedom from irregularity
smooth surface · flatness · evenness · paved road · blacktop
wash, board, washed, washing, washer, washes, washable, unwashed, boards