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buoyancy
[ boi-uhn-see, boo-yuhn-see ]
/ ˈbɔɪ ən si, ˈbu yən si /
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noun
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:Student well-being and buoyancy are especially important because of the relatively high incidence of depression and suicide.
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Also buoy·ance .
OTHER WORDS FROM buoyancy
non·buoy·an·cy, nounWords nearby buoyancy
buon fresco, buon giorno, Buononcini, buoy, buoyage, buoyancy, buoyancy bags, buoyancy compensator, buoyant, buoy boat, buoyed
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use buoyancy in a sentence
British Dictionary definitions for buoyancy
buoyancy
/ (ˈbɔɪənsɪ) /
noun
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
cheerfulness
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
Scientific definitions for buoyancy
buoyancy
[ boi′ən-sē ]
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.
Cultural definitions for buoyancy
buoyancy
The force that causes objects to float. According to the principle of Archimedes, when a solid is placed in a fluid (a liquid or a gas), it is subject to an upward force equal in magnitude to the weight of the fluid it has displaced.
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.