However, when motion involves rotation, the instantaneous velocity of any two points on the body will generally not be the same.

The internal motions are those that involve no overall translation or rotation of the molecule.

It describes a specific coordination of the movement of a dancer's body when doing or preparing to do a step which involves rotation.

For rolling involves rotation: but the 'face', as it is called, of the moon is always seen.

Central focusing is an arrangement which involves rotation of a central focusing wheel to adjust both tubes together.

A spin is a b-boying move that involves rotation of the breaker's body about some axis in contact with the ground.

A special case is a homothetic transformation or central similarity: it neither involves rotation nor taking the mirror image.

To my mind the process of "drilling" involves rotation; shell penetration in gastropods does not-so I will use "boring".

The figure may also involve gradual rotation.

Dumb-bell curls should always involve rotation of the dumbbells.