1. [ noun ] the act of rotating as if on an axis
Synonyms: rotary_motion

"the rotation of the dancer kept time with the music"

Related terms: motion twist spin gyration supination wind circumvolution pronation feather pivot spiral turnout revolve
2. [ noun ] (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
Related terms: transformation mathematics
3. [ noun ] 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"

Related terms: sequence rotate
4. [ noun ] a single complete turn (axial or orbital)
Synonyms: roll gyration revolution

"the plane made three rotations before it crashed" "the revolution of the earth about the sun takes one year"

Related terms: turning axial_motion clockwise_rotation counterclockwise_rotation spin orbital_motion wallow spin
Similar spelling:   rotational