rotation

[ roh-tey-shuh n ]

/ roʊˈteɪ ʃən /

SEE SYNONYMS FOR rotation ON THESAURUS.COM

noun

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

Astronomy.

the movement or path of the earth or a heavenly body turning on its axis.
one complete turn of such a body.

regularly recurring succession, as of officials.

Agriculture. crop rotation.

Mathematics.

an operation that rotates a geometric figure about a fixed point.
curl(def 14).

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

Baseball. pitching rotation.

Words nearby rotation

rotary valve, rotary wing, rotary-till, rotate, rotating, rotation, rotation axis, rotation flap, rotation of axes, rotation vector, rotation-inversion axis

Origin of rotation

1545–55; < Latin rotātiōn- (stem of rotātiō) a rotation, rolling, equivalent to rotāt(us) (see rotate¹) + -iōn- -ion

OTHER WORDS FROM rotation

ro·ta·tion·al, adjectivenon·ro·ta·tion, nounnon·ro·ta·tion·al, adjectiveun·ro·ta·tion·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rotation

Following one week of “R&R,” the team will spend one more six-week rotation in the ETU before entering a three-week isolation.
$10,000 a Month for Ebola Fighters|Abby Haglage|October 7, 2014|DAILY BEAST
"Palmer always keeps his word," beamed Weaver, putting the right hander back in the rotation.
Will the Real Jim Palmer Please Stand Up|Tom Boswell|September 27, 2014|DAILY BEAST
Others who will join the rotation include Alan Alda, Candice Bergen, Stacy Keach, and Carol Burnett.
Fall Broadway Preview: 'This Is Our Youth,' Bradley Cooper as ‘The Elephant Man,' and More|Janice Kaplan|September 11, 2014|DAILY BEAST
Of course, that relates to the other rotation of the spin herethat she was difficult and demanding.
The Hypocrisy Behind The New York Times’s Abrupt Decapitation of Jill Abramson|Robert Shrum|May 18, 2014|DAILY BEAST

Ten stand, eight sleep, then eight different men sleep, all in a rotation.
Al Jazeera Journo Abdullah El-Shamy Goes On Hunger Strike In Egyptian Jail|Jonathan Krohn|March 29, 2014|DAILY BEAST
In other words, it was entirely independent of the earth and its rotation.
A Popular History of Astronomy During the Nineteenth Century|Agnes M. (Agnes Mary) Clerke
The success of the potato is largely dependent on the crops preceding it in the rotation.
The Vegetable Garden|Anonymous
With the sweet potato, as with other crops, rotation is the keynote of success.
The Vegetable Garden|Anonymous
We say, then, that the wind in a storm is not in rotation, and it is a dangerous doctrine to teach the navigator.
Outlines of a Mechanical Theory of Storms|T. Bassnett
Dancing masters held their classes in rotation at the great plantation houses.
Journal and Letters of Philip Vickers Fithian: A Plantation Tutor of the Old Dominion, 1773-1774.|Philip Vickers Fithian

British Dictionary definitions for rotation

rotation

/ (rəʊˈteɪʃən) /

noun

the act of rotating; rotary motion

a regular cycle of events in a set order or sequence

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

maths

a circular motion of a configuration about a given point or line, without a change in shape
a transformation in which the coordinate axes are rotated by a fixed angle about the origin
another name for curl (def. 11) Abbreviation (for sense 4c): rot

the spinning motion of a body, such as a planet, about an internal axisCompare revolution (def. 5a)
one complete turn in such motion

Derived forms of rotation

rotational, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for rotation

rotation

[ rō-tā′shən ]

n.

The act or process of turning around a center or an axis.

Regular and uniform variation in a sequence or series, as in the recurrence of symptoms of a disease.

Science definitions for rotation

rotation

[ rō-tā′shən ]

The motion of an object around an internal axis.

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

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.

rotation

noun

Content related to rotation

Words related to rotation

Words nearby rotation

Origin of rotation

OTHER WORDS FROM rotation

Examples from the Web for rotation

British Dictionary definitions for rotation

noun

Derived forms of rotation

Medicine definitions for rotation

n.

Science definitions for rotation