rotation

[roh-tey-shuhn]

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.

rotation

/ 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

rotation

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.

Other Word Forms

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

Word History and Origins

Origin of rotation¹

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

Example Sentences

Their supposed strength of a rotation hasn’t been able to dominate games.

From Los Angeles Times

Never before has there been so little rotation of players between teams in Ryder Cup history.

From BBC

Another seasoned veteran in the rotation is Bud Dupree, who played in all 18 games last season and was tied for second with six sacks.

From Los Angeles Times

Monday is the Dodgers’ second off day in less than a week so manager Dave Roberts plans to skip Emmet Sheehan’s spot in the rotation.

From Los Angeles Times

"We have three games this week and we have quality players, so we need rotation to try to win every game," said Amorim.

From BBC

Related Words

• orbit