buoy·an·cy

(boi′ən-sē, bo͞o′yən-)

a. The tendency or capacity to remain afloat in a liquid or rise in air or gas.

b. The upward force that a fluid exerts on an object less dense than itself.

2. Ability to recover quickly from setbacks; resilience.

3. Lightness of spirit; cheerfulness.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

buoyancy

(ˈbɔɪənsɪ)

1. the ability to float in a liquid or to rise in a fluid

2. (General Physics) the property of a fluid to exert an upward force (upthrust) on a body that is wholly or partly submerged in it

3. the ability to recover quickly after setbacks; resilience

4. cheerfulness

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

buoy•an•cy

(ˈbɔɪ ən si, ˈbu yən si)

also buoy′ance,

1. the power to float or rise in a fluid; relative lightness.

2. the power of supporting a body so that it floats; upward pressure exerted by the fluid in which a body is immersed.

3. lightness of spirit.

[1705–15]

buoy·an·cy

(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.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

buoyancy

The upthrust (upward force) on a body placed in a fluid.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	buoyancy - cheerfulness that bubbles to the surface perkiness blitheness, cheerfulness - a feeling of spontaneous good spirits; "his cheerfulness made everyone feel better"
	2.	buoyancy - the property of something weightless and insubstantial airiness weightlessness, lightness - the property of being comparatively small in weight; "the lightness of balsa wood"
	3.	buoyancy - the tendency to float in water or other liquid tendency, inclination - a characteristic likelihood of or natural disposition toward a certain condition or character or effect; "the alkaline inclination of the local waters"; "fabric with a tendency to shrink"
	4.	buoyancy - irrepressible liveliness and good spirit; "I admired his buoyancy and persistent good humor" irrepressibility sprightliness, liveliness, spirit, life - animation and energy in action or expression; "it was a heavy play and the actors tried in vain to give life to it"

buoyancy

noun

1. floatability, lightness, weightlessness Air can be pumped into the diving suit to increase buoyancy.

2. cheerfulness, bounce (informal), pep, animation, good humour, high spirits, zing (informal), liveliness, spiritedness, cheeriness, sunniness a mood of buoyancy and optimism

3. expansion, development, strength, mushrooming, economic growth The slump will be followed by a period of buoyancy.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

buoyancy

noun

The ability to recover quickly from depression or discouragement:

bounce, elasticity, resilience, resiliency.

Translations

طَفَوِيَّه: قابِلِيَّةُ الطَّفو

schopnost ploutvznosnostvztlak

opdriftflydeevne

Auftrieb Belastbarkeit Fröhlichkeit Schwimmkraft

noste

flottabilité

felhajtóerõ

flothæfni

galleggiabilit...galleggiabilità

opwaartse kracht

flyteevne oppdrift

impulsão

schopnosť plávaťvztlak

yüzebilme

浮力

buoyancy

[ˈbɔɪənsɪ] N

1. (Phys) [of ship, object] → capacidad f para flotar, flotabilidad f; [of liquid] → sustentación f hidraúlica (Aer) → fuerza f ascensional

2. (fig) → optimismo m

3. (Fin) [of market, prices] → tendencia f al alza

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

buoyancy

[ˈbɔɪənsi] n

[ship] → flottabilité f

[mood] → entrain m

[market] → fermeté f

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

buoyancy

(of ship, object) → Schwimmfähigkeit f; (of liquid) → Auftrieb m; buoyancy aid → Schwimmhilfe f; (for canoeing) → Kajakweste f

(fig: = cheerfulness) → Schwung m, → Elan m

(Fin: of market, prices) → Festigkeit f; (= resilience) → Erholungsfähigkeit f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

buoyancy

[ˈbɔɪənsɪ] n (Phys) → galleggiamento; (of ship, object) → galleggiabilità (fig) (of person) → ottimismo

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

buoy

(boi) , ((American) ˈbu:i) noun

a floating anchored mark, acting as a guide, warning or mooring point for boats.

see also lifebuoy.

ˈbuoyancy noun

the ability to float on water or in the air. the buoyancy of a balloon.

ˈbuoyant adjective

Mentioned in

References in classic literature

The current bore them along at a rapid rate; the light spirits of the Canadian voyageurs, which had occasionally flagged upon land, rose to their accustomed buoyancy on finding themselves again upon the water.

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I was on the bridge, and as we dropped from the brilliant sunlight into the dense vapor of clouds and on down through them to the wild, dark storm strata beneath, it seemed that my spirits dropped with the falling ship, and the buoyancy of hope ran low in sympathy.

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It is worse; for you cannot sit motionless in the heart of these perils, because the boat is rocking like a cradle, and you are pitched one way and the other, without the slightest warning; and only by a certain self-adjusting buoyancy and simultaneousness of volition and action, can you escape being made a Mazeppa of, and run away with where the all-seeing sun himself could never pierce you out.

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The black's next shot was more accurate, striking my flier full upon the prow and exploding with the instant of contact, ripping wide open the bow buoyancy tanks and disabling the engine.

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A close examination revealed the face that one of the buoyancy tanks had been punctured, but the engine itself was uninjured.

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Thrilling to the speed and the buoyancy and the obedience of the little craft the girl drove toward the northwest.

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Your only salvation lies in eluding it; but if it comes sideways through the opposing water, then partly owing to the light buoyancy of the whaleboat, and the elasticity of its materials, a cracked rib or a dashed plank or two, a sort of stitch in the side, is generally the most serious result.

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With his natural buoyancy of spirits, he began to hope again.

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Trent smoked his cigar placidly and, taking off his cap bared his head to the sweeping sea-wind, which seemed laden with life and buoyancy. Suddenly as he swung round by the companion-way he found himself confronted by a newcomer who came staggering out from the gangway.

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The swifter craft are seldom equipped with large buoyancy tanks, since the added bulk of them tends to reduce a vessel's speed.

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The buoyancy of his gait, the elasticity of his step, and the hilarity of his countenance, showed that he anticipated, with chuckling satisfaction, the surprise he was about to give those who had ejected him from their society in rags.

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When we pass in the street the poor deluded soul subdues her buoyancy, as if it were shame to walk happy before one she has lamed, and at such times the rustle of her gown is whispered words of comfort to me, and her arms are kindly wings that wish I was a little boy like David.

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