Buoyancy Meaning
/ˈbɔɪ.ən.si/Definition, CEFR level C1, pronunciation, examples, and quiz.
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Definition
nounThe upward force on a body immersed or partly immersed in a fluid.
nounThe ability of an object to stay afloat in a fluid.
Sentence Examples
That won't impact the buoyancy?
A body with negative buoyancy will sink in water.
CEFR Practice Quiz
A life jacket's ____ helps a person float easily in deep water.
CEFR Practice Quiz (Alternate)
The ____ of the life jacket helped him stay above the deep water city.
Word Origin & History
From buoyant + -cy or buoy + -ancy.
Literary Quotations & Historical Citations
"With how much lighter a step, with how much brighter an eye, did Francesca wander through the forest, even in the last desolation of autumn, than she did in all the bloom and buoyancy of spring!"
— 1834, L[etitia] E[lizabeth] L[andon], chapter XI, in Francesca Carrara. […], volume III, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 82:
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CEFR Practice Quiz
A life jacket's ____ helps a person float easily in deep water.
CEFR Practice Quiz (Alternate)
The ____ of the life jacket helped him stay above the deep water city.