ro·ta·tion (r -t  sh n)n. 1. a. The act or process of turning around a center or an axis: the axial rotation of the earth. b. A single complete cycle of such motion. 2. Mathematics A transformation of a coordinate system in which the new axes have a specified angular displacement from their original position while the origin remains fixed. 3. Regular and uniform variation in a sequence or series: a rotation of personnel; crop rotation. 4. Games An order of shooting balls in billiards in which the ball with the lowest number on the table is always pocketed first. ro·ta tion·al adj. |
rotation [rəʊˈteɪʃən]
n
1. the act of rotating; rotary motion
2. a regular cycle of events in a set order or sequence
3. (Life Sciences & Allied Applications / Agriculture) a planned sequence of cropping according to which the crops grown in successive seasons on the same land are varied so as to make a balanced demand on its resources of fertility
4. (Mathematics) Maths
a. a circular motion of a configuration about a given point or line, without a change in shape
b. a transformation in which the coordinate axes are rotated by a fixed angle about the origin
c. another name for curl [11] Abbreviation (for sense 4c) rot
5. (Astronomy)
a. the spinning motion of a body, such as a planet, about an internal axis Compare revolution [5a]
b. one complete turn in such motion
rotational adj
| rotation (r-tshn) 1. The motion of an object around an internal axis. 2. A single complete cycle of such motion. See Note at revolution. 3. A transformation of a coordinate system in which the new axes have a specified angular displacement from their original position while the origin remains fixed. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  rotation - the act of rotating as if on an axis; "the rotation of the dancer kept time with the music"movement, motility, motion, move - a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility" circumvolution - the act of turning or winding or folding around a central axis feathering, feather - turning an oar parallel to the water between pulls pivot - the act of turning on (or as if on) a pivot; "the golfer went to the driving range to practice his pivot" pronation - rotation of the hands and forearms so that the palms face downward spin, twirl, twisting, whirl, twist - the act of rotating rapidly; "he gave the crank a spin"; "it broke off after much twisting" spiral - flying downward in a helical path with a large radius supination - rotation of the hands and forearms so that the palms face upward turn, twist - turning or twisting around (in place); "with a quick twist of his head he surveyed the room" winding, wind, twist - the act of winding or twisting; "he put the key in the old clock and gave it a good wind" turnout - (ballet) the outward rotation of a dancer's leg from the hip |
| 2. | rotation - (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement transformation - (mathematics) a function that changes the position or direction of the axes of a coordinate system | |
| 3. |  rotation - 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"clockwise rotation, dextrorotation - rotation to the right counterclockwise rotation, levorotation - rotation to the left axial motion, axial rotation, roll - rotary motion of an object around its own axis; "wheels in axial rotation" orbital motion, orbital rotation - motion of an object in an orbit around a fixed point; "satellites in orbital rotation" spin - a swift whirling motion (usually of a missile) | |
| 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" chronological sequence, chronological succession, succession, successiveness, sequence - a following of one thing after another in time; "the doctor saw a sequence of patients" |
rotation
noun
1. revolution, turning, turn, wheel, spin, spinning, reel, orbit, pirouette, gyration the daily rotation of the earth upon its axis
2. sequence, switching, cycle, succession, interchanging, alternation crop rotation and integration of livestock
Translations
rotation
n
no pl (around axis) → Drehung f, → Rotation f (also Math); (of crops) → Wechsel m, → Rotation f; (= taking turns) → turnusmäßiger Wechsel; in or by rotation → abwechselnd im Turnus; rotation of crops, crop rotation → Fruchtwechsel m
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