The Collaborative International Dictionary
Shifting center
Shifting \Shift"ing\, a.
Changing in place, position, or direction; varying; variable; fickle; as, shifting winds; shifting opinions or principles.
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Adapted or used for shifting anything.
Shifting backstays (Naut.), temporary stays that have to be let go whenever the vessel tacks or jibes.
Shifting ballast, ballast which may be moved from one side of a vessel to another as safety requires.
Shifting center. See Metacenter.
Shifting locomotive. See Switching engine, under Switch.
Usage examples of "shifting center".
The unidentified spacer switched on a tractor field and towed Sunmother back to a zone at the ever-shifting center of mass between the two collapstars.