[boi-uh n-see, boo-yuh n-see]
- 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.
Origin of buoyancy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for buoyancy
And despite the good scholarship the authors have managed to retain the buoyancy and upbeat air attendant on most comics.The Best Coffee Table Books of 2014
December 13, 2014
Sudden peace, buoyancy, contentment, or alternatively sorrow or physical pain.Knocking on Heaven's Door: True Stories of Unexplained, Uncanny Experiences at the Hour of Death
August 11, 2014
Buoyancy protects the most vulnerable parts of our skeleton.
Blame it, he says, on buoyancy, which “reduces the energy expenditure associated with swimming.”
You are a Cheever, my father would tell his children with a buoyancy in his voice which suggested both seriousness and mockery.Cheever on Cheever
March 3, 2009
It may have been the gradient of the hills, but somehow her gait had lost something of its buoyancy.The Law-Breakers
He mingled a certain frowning impatience with the buoyancy of his smile.The Market-Place
The buoyancy of their irresponsible natures was reasserting itself.
But it was the light in their eyes, their grinning faces, the buoyancy of their gait that held him.
They were young still, and the buoyancy of the country they had adopted was in both of them.The Greater Power
- 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for buoyancy
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.