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Definitions for: Buoyancy
[n] irrepressible liveliness and good spirit; "I admired his bouyancy and persistent good humor"
[n] the property of something weightless and insubstantial
[n] cheerfulness that bubbles to the surface
Webster (1913) Definition: 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.
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.
Such are buoyancies or displacements of the
different classes of her majesty's ships. --Eng.
Cyc.
3. Cheerfulness; vivacity; liveliness; sprightliness; -- the
opposite of heaviness; as, buoyancy of spirits.
Synonyms: airiness, irrepressibility, perkiness
See Also: blitheness, cheerfulness, life, lightness, liveliness, spirit, sprightliness, weightlessness
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