rotation

(noun)

noun

1. the act of rotating as if on an axis

- the rotation of the dancer kept time with the music

Definition categories: act, motility, motion, move, movement

2. (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin

Definition categories: link, transformation

3. a single complete turn (axial or orbital)

- the plane made three rotations before it crashed

Similar word(s): gyration, revolution

Definition categories: event, turn, turning

4. a planned recurrent sequence (of crops or personnel etc.)

- crop rotation makes a balanced demand on the fertility of the soil

- the manager had only four starting pitchers in his rotation

Definition categories: attribute, sequence, succession, successiveness

Sentences with rotation as a noun:

- The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.

- Earth's moon completes a rotation every twenty-seven days or so.

- crop rotation

- The medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.

- The function mapping (x,y) to (−y,x) is a rotation.