"rotations" in the noun sense

1. rotation, rotary motion

the act of rotating as if on an axis

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

2. rotation

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

3. rotation, revolution, gyration

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"

4. rotation

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"

Source: WordNet® (An amazing lexical database of English)

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