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center circle
center field
center forward
center halfback
center ice
center of curvature
center of excellence
center of gravity
center of mass
center of pressure
center punch
center spot
center spread
center stage
center three-quarter
centerboard
Centereach
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center of mass
cen·ter of mass


noun 
Definition:
 
central point of total mass: the point at which the total mass of a body or system is assumed to be centered and upon which the sum of external forces can be considered to act
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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