rotation *
rotary motion

While running, the species held its forelimbs awkwardly and moved them in a rotary motion.

A touch of a button; the floor cut beneath the wall with a rotary motion; completing a revolution, it came back again.

The main similarities between them are the shape of the working chamber and the use of rotary motion.

These masses became immediately endued with a rotary motion around their own central point.

This in turn made it a simple matter to adapt Watt's engine to provide rotary motion.

Demonstrates rotary motion produced by the reaction from jets of steam.

But exactly how does a series of disks generate the rotary motion we come to expect from a turbine?

This was probably the first successful application of the crank to a steam engine in order to produce rotary motion.

Screwdriving requires torque to be applied by a rotary motion.

He picked up the phone and paused for a second, stopping his finger from making a rotary motion.