Definition of buoyancy
1a : the tendency of a body to float or to rise when submerged in a fluid testing an object's buoyancyb 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.
Recent Examples of buoyancy from the Web
The movie and Wright’s natural buoyancy return after a beat, and the beat goes on.
In addition to warmth, wetsuits add buoyancy and make most swimmers faster.
The two-act musical adapted from Disney's Lion King has much of the original's buoyancy and joy, as well its gravitas.
Brin's airship supposedly uses a revolutionary design containing air sacs that can breathe, letting air in or out to control buoyancy.
But the enormous thunderstorm complex that developed over Northern Virginia was effectively a giant cylinder of moisture-laden air that shielded its core updrafts from buoyancy-robbing, drier air.
The ebbing of house price growth comes after two months of surprising buoyancy in the markets.
Any resurgence in instability over the coming weeks could quickly undermine the buoyancy of corporate credit and several potential triggers are now looming, such as rising geopolitical risks and the possibility of further global cyber attacks.
Middle income housing projects, which are truly marvels of dullness and regimentation, sealed against any buoyancy or vitality of city life.
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.
BUOYANCY Defined for English Language Learners
Definition of buoyancy for English Language Learners
: 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 Defined for Kids
Definition of buoyancy for Students
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.
Seen and Heard
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