noun Naval Architecture.
the intersection between two vertical lines, one through the center of buoyancy of a hull in equilibrium, the other through the center of buoyancy when the hull is inclined slightly to one side or toward one end: the distance of this intersection above the center of gravity is an indication of the initial stability of the hull.
Also, especially British, metacentre.

1785–95; < French métacentre. See meta-, center Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
metacentre or metacenter (ˈmɛtəˌsɛntə)
the intersection of a vertical line through the centre of buoyancy of a floating body at equilibrium with the formerly vertical line through the centre of gravity of the body when the body is tilted
metacenter or metacenter
meta'centric or metacenter

Collins English Dictionary - Complete & Unabridged 10th Edition
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