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buoyancy

   Also found in: Medical, Financial, Encyclopedia, Wikipedia, Hutchinson 0.38 sec.
buoy·an·cy  (boin-s, byn-)
n.
1.
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.

buoyancy  (boin-s)
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.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.buoyancy - cheerfulness that bubbles to the surface
blitheness, cheerfulness - a feeling of spontaneous good spirits; "his cheerfulness made everyone feel better"
2.buoyancy - the property of something weightless and insubstantial
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"
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
noun 2. cheerfulness, bounce (informal) pep, animation, good humour, high spirits, zing (informal) liveliness, spiritedness, cheeriness, sunniness
Translations
buoyancy [ˈbɔɪənsɪ] n [of ship] → flotabilidad f
buoyancy [ˈbɔɪənsɪ] n [of ship] → flottabilité f
buoyancy [ˈbɔɪənsɪ] n (of ship, object) → Schwimmfähigkeit f
buoyancy [ˈbɔɪənsɪ] n [of ship] → galleggiabilità


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