the act of rotating; a turning around as on an axis.
the movement or path of the earth or a heavenly body turning on its axis.
one complete turn of such a body.
- ro·ta·tion·al, adjective
- non·ro·ta·tion, noun
- non·ro·ta·tion·al, adjective
- un·ro·ta·tion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use rotation in a sentence
Wigner showed that, deep down, “spin is just a label that particles have because the world has rotations,” said Nima Arkani-Hamed, a particle physicist at the Institute for Advanced Study in Princeton, New Jersey.
The risk-on rotation is in full swing as vaccine optimism continues to buoy global markets.The great rotation into value stocks continues, lifting global markets | Bernhard Warner | November 11, 2020 | Fortune
Then there’s the pitching staff, with familiar questions about filling out the rotation.What’s missing from the Nationals’ roster? Here’s an early look. | Jesse Dougherty | November 6, 2020 | Washington Post
The rotation at quarterback marks a significant departure for Mendenhall during his time at Virginia.Virginia’s three-quarterback experiment will continue against No. 15 North Carolina | Gene Wang | October 29, 2020 | Washington Post
This wasn’t like baseball, they said, where a new pitcher could be plugged into the starting rotation or a new hitter could be written into the lineup and simply do his thing.Coronavirus protocols are impacting the NFL trade deadline — and making for earlier deals | Mark Maske | October 28, 2020 | Washington Post
The ortho molecules rotate with odd rotational quantum numbers, while the para molecules rotate with even quantum numbers.Unwise Child | Gordon Randall Garrett
The total, however, of the rotational moment of momentum of the system barely reaches two per cent.Time and Tide | Robert S. (Robert Stawell) Ball
How can one who is ignorant of the existence and characteristics of rotational inertia understand a galvanometer?
By this time the student should have found himself sufficiently prepared to take up problems of rotational motion.
Searching problems and discussion are instigated at once, and the notion of rotational equilibrium and force moments brought in.
British Dictionary definitions for rotation
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
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 axis: Compare revolution (def. 5a)
one complete turn in such motion
- 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
Scientific definitions for rotation
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.