definitions

rotation

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

noun

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RELATED WORDS

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

Nearby words

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
Related formsro·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 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 Formsrotational, 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 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.

Science 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.