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Webster 1913 Edition


Buoyancy

Buoy′an-cy

,
Noun.
;
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
.

Webster 1828 Edition


Buoyancy

BUOY'ANCY

,
Noun.
The quality of floating on the surface of water, or in the atmosphere; specific lightness.

Definition 2021


buoyancy

buoyancy

English

Noun

buoyancy (countable and uncountable, plural buoyancies)

  1. (physics) The upward force on a body immersed or partly immersed in a fluid.
  2. The ability of an object to stay afloat in a fluid.
  3. (by extension) Resilience or cheerfulness.

Related terms

Translations

See also

  • Archimedes' principle