buoyancy

noun
buoy·​an·​cy | \ ˈbȯi-ən(t)-sē How to pronounce buoyancy (audio) , ˈbü-yən(t)-\

Definition of buoyancy

1a : the tendency of a body to float or to rise when submerged in a fluid testing an object's buoyancy
b chemistry : the power of a fluid to exert an upward force on a body placed in it the buoyancy of water also : the upward force exerted
2 : the ability to recover quickly from depression or discouragement : resilience his buoyancy of spirit
3 : the property of maintaining a satisfactorily high level (as of prices or economic activity) betting that the economy will maintain its buoyancy

Examples of buoyancy in a Sentence

the natural buoyancy of cork The swimmer is supported by the water's buoyancy. We hope that the economy will maintain its buoyancy.
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Recent Examples on the Web

Though growing global trade tensions are directly impacting shipping, these preferreds offer very high yields for investors who believe in the long-term underlying buoyancy of a shipping company. Eric Uhlfelder, WSJ, "Preferred Stocks Beckon If Interest Rates Behave," 9 Dec. 2018 The color evokes vitality and buoyancy; the marine invertebrate get its vibrant tone from the tiny algae living on its surface. Hannah Morrill, ELLE Decor, "Pantone Just Released Their Color of the Year for 2019," 5 Dec. 2018 The Gear & Cost Gear is minimal, as the Channel Swimming Association forbids the use of a wetsuit or any type of buoyancy or thermal aid. Jen Murphy, WSJ, "The Next Big Swim After the English Channel," 13 Oct. 2018 Throughout the symphony, the music making veered with complete naturalness between Mitteleuropean buoyancy and darker tones suggesting Weltschmerz. David Mermelstein, WSJ, "The Czech Philharmonic’s Global Ambitions," 31 Oct. 2018 The fixes were black rings that loop around the animals’ midsections like life preservers and are made of neoprene, which provides buoyancy, is soft on a sea dragon and can withstand saltwater. Karin Brulliard, The Seattle Times, "To save fish that can’t swim, veterinarian made them tiny floaties," 4 Sep. 2018 The overall effect was head-turning, a switch of polished buoyancy for cool girl detailing that simply begged for emulation. Calin Van Paris, Vogue, "Beyoncé Puts a Personalized Twist on I Dream of Jeannie Hair," 7 Aug. 2018 Much of it works charmingly, thanks to Mr. Mortensen’s improbable buoyancy: Tony is clearly a stout-hearted guy, as well as a slob and a jerk. Joe Morgenstern, WSJ, "‘Green Book’ Review: Trying to Get Along," 15 Nov. 2018 Regardless of size, all penguins have the same body plan, including wings that have evolved into flippers and dense bones to counter buoyancy. Gemma Tarlach, Discover Magazine, "20 Things You Didn't Know About ... Penguins," 6 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'buoyancy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of buoyancy

1713, in the meaning defined at sense 1a

History and Etymology for buoyancy

see buoy entry 1

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Dictionary Entries near buoyancy

buoy

buoyage

buoyance

buoyancy

buoyancy tank

buoyant

buoyant force

Statistics for buoyancy

Last Updated

24 Jan 2019

Look-up Popularity

Time Traveler for buoyancy

The first known use of buoyancy was in 1713

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More Definitions for buoyancy

buoyancy

noun

English Language Learners Definition of buoyancy

: the ability of an object to float in water or air
: the power of a liquid to make someone or something float
: the ability of someone or something to continue to be happy, strong, etc., through difficult times

buoyancy

noun
buoy·​an·​cy | \ ˈbȯi-ən-sē How to pronounce buoyancy (audio) , ˈbü-yən-\

Kids Definition of buoyancy

1 : the power of rising and floating (as on water or in air) Cork has buoyancy in water.
2 : the power of a liquid to hold up a floating body Seawater has buoyancy.

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More from Merriam-Webster on buoyancy

Spanish Central: Translation of buoyancy

Nglish: Translation of buoyancy for Spanish Speakers

Britannica English: Translation of buoyancy for Arabic Speakers

Britannica.com: Encyclopedia article about buoyancy

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