Dictionary.com

rotation

[ roh-tey-shuhn ]
/ roʊˈteɪ ʃən /
See synonyms for: rotation / rotational 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Words related to rotation

orbit, cycle, gyration, circle, revolution, circumvolution, torque, vortex, turn, eddy, succession, spin, turning, circumrotation

Example sentences from the Web for rotation

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

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