Buoyancies

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Buoyancy \Buoy"an*cy\, n.; pl. {Buoyancies}.
     1. The property of floating on the surface of a liquid, or in
        a fluid, as in the atmosphere; specific lightness, which
        is inversely as the weight compared with that of an equal
        volume of water.
        [1913 Webster]


  
     2. (Physics) The upward pressure exerted upon a floating body
        by a fluid, which is equal to the weight of the body;
        hence, also, the weight of a floating body, as measured by
        the volume of fluid displaced.
        [1913 Webster]
  
              Such are buoyancies or displacements of the
              different classes of her majesty's ships. --Eng.
                                                    Cyc.
        [1913 Webster]
  
     3. Cheerfulness; vivacity; liveliness; sprightliness; -- the
        opposite of {heaviness}; as, buoyancy of spirits.
        [1913 Webster]