center of mass
noun/ˌsentər əv ˈmæs/
/ˌsentər əv ˈmæs/
(US English) (British English centre of mass)
[usually singular] (plural centers of mass or centres of mass)
(physics)- a point that represents the middle position of the matter in a body or system
- Keeping the center of mass low improves stability.
- In these systems, all stars describe their orbits around a common center of mass.
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center of mass