metacenter | (n) (shipbuilding) the point of intersection between two vertical lines, one line through the center of buoyancy of the hull of a ship in equilibrium and the other line through the center of buoyancy of the hull when the ship is inclined to one side; the distance of this intersection above the center of gravity is an indication of the stability of the ship, Syn. metacentre |
Metacentre | ☞ When the metacenter is above the center of gravity, the position of the body is stable; when below it, unstable. [ 1913 Webster ] Variants: Metacenter |