buoyancy Hear it!

buoyancy definition

buoy·ancy (bo̵i′ən sē; also bo̵̅o̅′yən-)

noun

  1. the ability or tendency to float or rise in liquid or air
  2. the power to keep something afloat; upward pressure on a floating object
  3. lightness or resilience of spirit

Etymology: < buoyant

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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