rotation

American  

[roh-tey-shuhn] / roʊˈteɪ ʃən /

noun

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

2. Astronomy.

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

   2. one complete turn of such a body.

3. regularly recurring succession, as of officials.

4. Agriculture. crop rotation.

5. Mathematics.

   1. an operation that rotates rotate a geometric figure about a fixed point.

   2. curl.

6. Pool. a game in which the balls are played in order by number.

7. Baseball. pitching rotation.

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rotation British  

/ rəʊˈteɪʃən /

noun

1. the act of rotating; rotary motion

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

3. 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. maths

   1. a circular motion of a configuration about a given point or line, without a change in shape

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

   3. Abbreviation (for sense 4c): rot.  another name for curl

5. 1. the spinning motion of a body, such as a planet, about an internal axis Compare revolution

   2. one complete turn in such motion

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rotation Scientific  

/ rō-tā′shən /

1. The motion of an object around an internal axis.

2. A single complete cycle of such motion.

3. See Note at revolution

4. 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.

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Other Word Forms

• nonrotation noun
• nonrotational adjective
• rotational adjective
• unrotational adjective

Etymology

Origin of rotation

1545–55; < Latin rotātiōn- (stem of rotātiō ) a rotation, rolling, equivalent to rotāt ( us ) ( rotate ¹ ) + -iōn- -ion

Example Sentences

"The rotation is already happening," Mr Thatte said, referring to investors pivoting away from Big Tech stocks.

From BBC

It’s not just Reaves’ absence that is shaking up the Lakers rotation.

From Los Angeles Times

And it also was reserve Nick Smith Jr. finding a role in the rotation and producing, one of the six Lakers scoring in double figures.

From Los Angeles Times

The Lakers have used 16 different starting lineups in 29 games and have to readjust their rotation again in Reaves’ absence.

From Los Angeles Times

Roberts has worked in the geriatric ward and has now transitioned into a surgical rotation at the University Hospital of Wales in Cardiff.

From BBC

Related Words

• orbit