- The definition of buoyancy refers to whether something can float in water or air, or the power of water or other liquids to keep water afloat, or an optimistic disposition.
- An example of buoyancy is when a boat floats in water.
- An example of buoyancy is when salt water has the ability to help things float.
- An example of buoyancy is a cheerful person who is grateful for her job and who is generally happy and optimistic.
Children enjoying the buoyancy of their inflatable water toy.
buoyancy definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- the ability or tendency to float or rise in liquid or air
- the power to keep something afloat; upward pressure on a floating object
- lightness or resilience of spirit
Origin: ; from buoyant
buoyancy definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- 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.
- Ability to recover quickly from setbacks; resilience.
- Lightness of spirit; cheerfulness.
buoyancy - Cultural Definition
The New Dictionary of Cultural Literacy Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
buoyancy - Science Definition
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.