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the power to float or rise in a fluid; relative lightness.
the power of supporting a body so that it floats; upward pressure exerted by the fluid in which a body is immersed.
lightness or resilience of spirit; cheerfulness.
Contemporary Examples

Knocking on Heaven’s Door: True Stories of Unexplained, Uncanny Experiences at the Hour of Death Patricia Pearson August 10, 2014
The Best Coffee Table Books of 2014 Robert Birnbaum December 12, 2014
Swimming to Health? Excerpt of Lynn Sherr’s ‘Swim: Why We Love the Water’ Lynn Sherr April 7, 2012
Swimming to Health? Excerpt of Lynn Sherr’s ‘Swim: Why We Love the Water’ Lynn Sherr April 7, 2012
Cheever on Cheever Susan Cheever March 2, 2009

Historical Examples

Life’s Little Ironies Thomas Hardy
Clotelle William Wells Brown
Chambers’s Edinburgh Journal, No. 459 Various
The Mutiny of the Elsinore Jack London
The Day of the Confederacy Nathaniel W. Stephenson

the ability to float in a liquid or to rise in a fluid
the property of a fluid to exert an upward force (upthrust) on a body that is wholly or partly submerged in it
the ability to recover quickly after setbacks; resilience
The upward force that a fluid exerts on an object that is less dense than itself. Buoyancy allows a boat to float on water and provides lift for balloons.


Read Also:

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    plural noun another term for flotation bags

  • Buoyancy-compensator

    an inflatable vest used to control one’s buoyancy underwater or to rest at the surface, usually having a connecting hose for inflation or deflation by mouth and a CO 2 cartridge for rapid, emergency inflation.

  • Buoyant-force

    See under Archimedes’ principle. the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body. noun a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the […]

  • Buoyant

    tending to float in a fluid. capable of keeping a body afloat, as a liquid. not easily depressed; cheerful. cheering or invigorating. Contemporary Examples Those Kansas City Blues: A Family History Katie Baker October 23, 2014 Springsteen, Seeger, and the Joy of Political Music Howard Wolfson February 1, 2014 It’s the End of the World […]

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