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rotation

[ roh-tey-shuh n ]
/ roʊˈteɪ ʃən /
SEE SYNONYMS FOR rotation ON THESAURUS.COM

noun

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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

Words nearby rotation

rotary valve, rotary wing, rotary-till, rotate, rotating, rotation, rotation axis, rotation flap, rotation of axes, rotation vector, rotation-inversion axis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to rotational

whirling, spinning, whirligig, revolving, vertiginous, gyral, gyratory, rotating, rotatory, rotary, rotative, vortical, vorticose

Example sentences from the Web for rotational

British Dictionary definitions for rotational

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
  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. another name for curl (def. 11) Abbreviation (for sense 4c): rot
  1. the spinning motion of a body, such as a planet, about an internal axisCompare revolution (def. 5a)
  2. 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

Medical definitions for rotational

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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for rotational

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.