Cogwheel and Roller

Cogwheel noun - A toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion.

Roller and cogwheel are semantically related. in thing topic. In some cases you can use "Roller" instead a noun "Cogwheel".

Roller noun - A mechanical device consisting of a cylindrical tube around which the hair is wound to curl it.

Cogwheel and roller are semantically related. Sometimes you can use "Cogwheel" instead a noun "Roller".

Nearby Words: roll, rolled, rolling