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angular acceleration
an·gu·lar ac·cel·er·a·tion (plural an·gu·lar ac·cel·er·a·tions)


noun 
Definition:
 
rate of rotation change: the rate at which the rotation of a rotating body changes.
Symbol  α
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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