For those who prefer smooth terrain to moguls, all is not lost.

On flat, smooth terrain they really aren't necessary although using them can increase the exercise a hiker gets from the trip, as well as the speed.

The monument is located on smooth, flat terrain, and each letter is surrounded by flowers.

It is a descriptor term used in planetary geology for a relatively smooth, elevated terrain on another planet or moon.

He drove the car around for a while, trying it on rough and smooth terrain.

The great weakness of the armoured car was indeed that they required smooth terrain to move upon, and new developments were needed for cross-country capability.

Wheeled combat vehicles offer improved logistical mobility and optimized speeds on smooth terrain.

We parked the lab at the end of a finger of comparatively smooth terrain.

The crawlers were moving again, all together across a smooth terrain.

One of the big grey fellows heeled over, a crater torn in the smooth terrain of his back.