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Rotation Definition

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Other Rotation Definition

[n] the act of rotating as if on an axis; "the rotation of the dancer kept time with the music"
[n] 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"
[n] 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"
[n] (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin


gyration, revolution

Misc. Definitions

\Ro*ta"tion\, n. [L. rotatio: cf. F. rotation.]
1. The act of turning, as a wheel or a solid body on its axis, as distinguished from the progressive motion of a revolving round another body or a distant point; thus, the daily turning of the earth on its axis is a rotation; its annual motion round the sun is a revolution.
2. Any return or succesion in a series. {Moment of rotation}. See {Moment of inertia}, under {Moment}. {Rotation in office}, the practice of changing public officers at frequent intervals by discharges and substitutions. {Rotation of crops}, the practices of cultivating an orderly succession of different crops on the same land.
\Ro*ta"tion\, a. Pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation; as, rotational velocity.

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