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English noun: rotation

1. rotation (act) the act of rotating as if on an axis


SamplesThe rotation of the dancer kept time with the music.


Synonymsrotary motion


Broader (hypernym)motility, motion, move, movement


Narrower (hyponym)circumvolution, feather, feathering, gyration, pivot, pronation, spin, spiral, supination, turn, turnout, twirl, twist, twist, twist, twisting, whirl, whirling, wind, winding

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


Broader (hypernym)transformation


Domain categorymath, mathematics, maths

3. rotation (event) a single complete turn (axial or orbital)


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


Synonymsgyration, revolution


Broader (hypernym)turn, turning


Narrower (hyponym)axial motion, axial rotation, clockwise rotation, counterclockwise rotation, dextrorotation, levorotation, orbital motion, orbital rotation, roll, spin

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


SamplesCrop rotation makes a balanced demand on the fertility of the soil.
The manager had only four starting pitchers in his rotation.


Broader (hypernym)chronological sequence, chronological succession, sequence, succession, successiveness









Based on WordNet 3.0 copyright © Princeton University.
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