# angular velocity

- the time rate of change of angular position of a rotating body, usually expressed in radians per second or radians per minute.

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## Origin of angular velocity^{}

First recorded in 1810–20

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## angular velocity

- the velocity of a body rotating about a specified axis measured as the rate of change of the angle subtended at that axis by the path of the bodySymbol: ω

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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

## angular velocity

- The rate of change of an angle associated with an object with respect to some reference point. For example, the average angular velocity of an object moving around a central reference point once every second is 2π radians per second; the Earth spins around its axis with an angular velocity of 2π radians per day. Also called angular frequency

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