rotation

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ro·ta·tion

(rō-tā′shən)

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. Baseball

a. The sequence in which the starting pitchers on a team pitch in games.

b. The pitchers used in such a sequence: a team with an excellent rotation.

ro·ta′tion·al adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

rotation

(rəʊˈteɪʃən)

1. the act of rotating; rotary motion

2. a regular cycle of events in a set order or sequence

3. (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 curl¹¹ 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

roˈtational adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ro•ta•tion

(roʊˈteɪ ʃən)

n.

1. the act of rotating; a turning around as on an axis.

a. the movement or path of the earth or a heavenly body turning on its axis.

b. one complete turn of such a body.

3. regularly recurring succession, as of people performing a job.

4. crop rotation.

[1545–55; < Latin rotātiō=rotā(re) (see rotate¹) + -tiō -tion]

ro•ta′tion•al, adj.

ro·ta·tion

(rō-tā′shən)

1. The motion of an object around its own axis: the daily rotation of the Earth.

2. A single complete cycle of such motion. See Note at revolution.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

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Noun	1.	rotation - the act of rotating as if on an axis; "the rotation of the dancer kept time with the music" rotary motion 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 whirling, gyration - the act of rotating in a circle or spiral 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" gyration, revolution turning, turn - a movement in a new direction; "the turning of the wind" 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

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

rotation

noun

1. Circular movement around a point or about an axis:

circuit, circulation, circumvolution, gyration, revolution, turn, wheel, whirl.

2. Occurrence in successive turns:

alternation, interchange.

Translations

دَوَران

otáčení

omdrejningrotation

tengely körüli forgás

snúningur

rotazione giro

rotasjon rotering

вращение коловращение оборот ротация

dönmerotasyon

旋转

rotation

[rəʊˈteɪʃən] N → rotación f
rotation of crops → rotación de cultivos
in rotation → por turnos
orders are dealt with in strict rotation → los pedidos se sirven por riguroso orden

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

rotation

[rəʊˈteɪʃ^ən] n

(= revolving) [planet, wheel] → rotation f

[jobs, presidency] → rotation f
in rotation → par rotation

crop rotation → rotation f des cultures

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

rotation

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

(= turn) → (Um)drehung f, → Rotation f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

rotation

[rəʊˈteɪʃ/ən] n → rotazione f
in rotation → a turno, in rotazione
rotation of crops → rotazione f delle colture

rotary

(ˈrəutəri) adjective

turning like a wheel. a rotary movement.

rotate (rəˈteit) , ((American) ˈrouteit) verb

to turn like a wheel. He rotated the handle; The earth rotates.

roˈtation noun

ro·ta·tion

n. rotación, movimiento circular;

fetal ___ → ___ de la cabeza del feto.

References in classic literature ?

But as it is evidently better, that these should continue to exercise their respective trades; so also in civil society, where it is possible, it would be better that the government should continue in the same hands; but where it [1261b] is not (as nature has made all men equal, and therefore it is just, be the administration good or bad, that all should partake of it), there it is best to observe a rotation, and let those who are their equals by turns submit to those who are at that time magistrates, as they will, in their turns, alternately be governors and governed, as if they were different men: by the same method different persons will execute different offices.

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"But looking at the movements of the stars, I can't picture to myself the rotation of the earth, and I'm right in saying that the stars move.

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By attentively watching, the observer would then have perceived the other molecules of the mass, following the example of this central star, become likewise condensed by gradually accelerated rotation, and gravitating round it in the shape of innumerable stars.

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The orthodox answer was that day could not be called the cause of night, because it would not be followed by night if the earth's rotation were to cease, or rather to grow so slow that one complete rotation would take a year.

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The senators are to be chosen for the period of six years; there is to be a rotation, by which the seats of a third part of them are to be vacated and replenished every two years; and no State is to be entitled to more than two senators; a quorum of the body is to consist of sixteen members.

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The rotation which whirls every leaf and pebble to the meridian, reaches to every gift of man, and we all take turns at the top.

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And Alfred must go off to the engineering-- I've made up my mind to that." He fell into meditation and finger-rhetoric again for a little while, and then continued: "I shall make Brooke have new agreements with the tenants, and I shall draw up a rotation of crops.

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Farmers find that they can raise most food by a rotation of plants belonging to the most different orders: nature follows what may be called a simultaneous rotation.

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It was during the more pleasant weather, that in due rotation with the other seamen my first mast-head came round.

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Let us only admit the insufficiency of the primordial attraction; and then by the inequality of the two motions of rotation and revolution, the days and nights could have succeeded each other on the moon as they succeed each other on the earth.

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The guides serve in rotation; you cannot select the man who is to take your life into his hands, you must take the worst in the lot, if it is his turn.

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The class to which she belonged had to read a difficult chapter of Scripture in rotation, and the various members spent an arduous Sabbath afternoon counting out verses according to their seats in the pew, and practicing the ones that would inevitably fall to them.