DictionaryrotationTaking turns
noun

rotation

roh-TAY-shuhn/rəʊˈteɪʃn/

Movement around an axis through a cycle.

The curved arrow shows the direction of the globe's rotation.

Globe turns on its axis with single curved motion arrow.
Etymology

Latin rotare described turning around or revolving, and the ending makes that movement an action noun. Rotation retains the circular sense: movement around a center or axis.

In context

WIRED2:40
the skaters rotation and the position of the skaters body relative to the axis
Why It's Almost Impossible to Do a Quintuple Jump | WIRED

More examples

  • Two full rotations of the knob open the valve.
  • The nurses work weekends in rotation.
  • Crop rotation helps keep the soil healthy.

Forms

rotation · rotations

rotate verb — To turn around an axis.

rotational adjective — Relating to movement around an axis.

Similar words

spin
Spin usually suggests faster turning around an object's own axis.
revolution
Revolution often means one complete turn or an orbit.