metacentre

Definitions

  • WordNet 3.6
    • n metacentre (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
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Webster's Revised Unabridged Dictionary
    • n Metacentre (Hydrostatics) The point of intersection of a vertical line through the center of gravity of the fluid displaced by a floating body which is tipped through a small angle from its position of equilibrium, and the inclined line which was vertical through the center of gravity of the body when in equilibrium.☞ When the metacenter is above the center of gravity, the position of the body is stable; when below it, unstable.
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Chambers's Twentieth Century Dictionary
    • n Metacentre met-a-sen′tėr that point in a floating body slightly displaced from equilibrium through which the resultant upward pressure of the fluid always passes.
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Etymology

Webster's Revised Unabridged Dictionary
Pref. meta-, + center,

Usage

In literature:

Round the top of the scale, at D, are engraved four different draughts, and under these are the metacentric heights.
"Scientific American Supplement, No. 385, May 19, 1883" by Various
Thus, for instance, the archecentric condition of any Avian structure is a metacentre of the Sauropsidan stem.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1" by Various
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