rotation

ro·ta·tion

R0314600 (rō-tā′shən)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. 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.

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ro·ta′tion·al adj.

rotation

(rəʊˈteɪʃən) n1. the act of rotating; rotary motion2. a regular cycle of events in a set order or sequence3. (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 fertility4. (Mathematics) maths a. a circular motion of a configuration about a given point or line, without a change in shapeb. a transformation in which the coordinate axes are rotated by a fixed angle about the originc. 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^5ab. one complete turn in such motion roˈtational adj

ro•ta•tion

(roʊˈteɪ ʃən)

n. 1. the act of rotating; a turning around as on an axis. 2. 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.

Thesaurus

Noun	1.	rotation - the act of rotating as if on an axis; "the rotation of the dancer kept time with the music"rotary motionmovement, 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 axisfeathering, feather - turning an oar parallel to the water between pullswhirling, gyration - the act of rotating in a circle or spiralpivot - 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 downwardspin, 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 radiussupination - rotation of the hands and forearms so that the palms face upwardturn, 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 originmath, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangementtransformation - (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, revolutionturning, turn - a movement in a new direction; "the turning of the wind"clockwise rotation, dextrorotation - rotation to the rightcounterclockwise rotation, levorotation - rotation to the leftaxial 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

noun1. revolution, turning, turn, wheel, spin, spinning, reel, orbit, pirouette, gyration the daily rotation of the earth upon its axis2. sequence, switching, cycle, succession, interchanging, alternation crop rotation and integration of livestock

rotation

noun1. 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

旋转

rotary

(ˈrəutəri) adjective turning like a wheel. a rotary movement. 旋轉的 旋转的rotate (rəˈteit) , ((American) ˈrouteit) verb to turn like a wheel. He rotated the handle; The earth rotates. 旋轉 旋转... roˈtation noun 旋轉 旋转