buoyancy : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: buoyancy	by the DICT Development Group
2 results for buoyancy
From WordNet (r) 3.0 (2006) [wn]:
buoyancy n cheerfulness that bubbles to the surface [syn: buoyancy, perkiness] the property of something weightless and insubstantial Synonym(s): airiness, buoyancy the tendency to float in water or other liquid irrepressible liveliness and good spirit; "I admired his buoyancy and persistent good humor" Synonym(s): irrepressibility, buoyancy
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Buoyancy \Buoy"ancy\, 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.