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

The Dodgers are one win away from storming through the wild-card series and setting up their pitching rotation for the division series just fine, thank you very much.

From Los Angeles Times

He has overseen a dominant run from the rotation, with Dodgers pitchers posting a 2.89 ERA in the 18 games he has caught.

From Los Angeles Times

Unlike last year, the team has a healthy and star-studded starting rotation entering the playoffs.

From Los Angeles Times

The strength of the Reds is their starting rotation, which ranks seventh in the majors in ERA this season and fourth during their surge since Sept. 6.

From Los Angeles Times

The Dodgers’ rotation order is also a lingering unknown, with Roberts saying the team will play things “close to the vest” before publicly announcing their Game 1 starter.

From Los Angeles Times

Related Words

• orbit