rotation
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.
Pool. a game in which the balls are played in order by number.
Baseball. pitching rotation.
Origin of rotation
1Other words from rotation
- 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 | FortuneThen 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 PostThe 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 PostThis 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 GarrettThe total, however, of the rotational moment of momentum of the system barely reaches two per cent.
Time and Tide | Robert S. (Robert Stawell) BallHow can one who is ignorant of the existence and characteristics of rotational inertia understand a galvanometer?
College Teaching | Paul KlapperBy this time the student should have found himself sufficiently prepared to take up problems of rotational motion.
College Teaching | Paul KlapperSearching problems and discussion are instigated at once, and the notion of rotational equilibrium and force moments brought in.
College Teaching | Paul Klapper
British Dictionary definitions for rotation
/ (rəʊˈteɪʃən) /
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 axis: Compare 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
Scientific definitions for 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.
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