Noun
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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"
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a single complete turn (axial or orbital)
"the plane made three rotations before it crashed"
"the revolution of the earth about the sun takes one year"
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(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
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the act of rotating as if on an axis
"the rotation of the dancer kept time with the music"
- rotary motion