rotation
/ɹoʊˈteɪʃən/noun
Definitions
The act of turning around a centre or an axis.
Example: The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.
A single complete cycle around a centre or an axis.
Example: Earth's moon completes a rotation every twenty-seven days or so.
A regular variation in a sequence, such as to even-out wear, or people taking turns in a task; a duty roster.
Example: In rotation, each member of the group would be responsible for the beacon fire.
An operation on a metric space that is a continuous isometry and fixes at least one point.
Example: The function mapping (x,y) to (−y,x) is a rotation.