angular-acceleration

angular acceleration

noun Physics.
the time rate of change of angular velocity of a rotating body.

Origin:
1880–85

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Collins
World English Dictionary
angular acceleration
 
n
1.  the rate of change of angular velocity
2.  astronautics the acceleration of a space vehicle around an axis

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
angular acceleration   (āng'gyə-lər)  Pronunciation Key 
The rate of change of angular velocity with respect to time. Angular acceleration is measured in revolutions per minute squared or in radians per second squared.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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