the amount of rotation of a point, line, or body in a specified direction about an axis.
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physics the angle through which a point, line, or body is rotated about a specific axis in a given direction
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
The distance an object moves when following a circular path. It is represented by the length of the arc of a circle drawn to represent the motion of the object about a fixed point.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.