- (n.) The property of floating on the surface of a liquid or in a fluid, as in the atmosphere; specific lightness, which is inversely as the weight compared with that of an equal volume of water.
- (n.) Cheerfulness; vivacity; liveliness; sprightliness; -- the opposite of heaviness; as, buoyancy of spirits.
- (n.) The upward pressure exerted upon a floating body by a fluid, which is equal to the weight of the body; hence, also, the weight of a floating body, as measured by the volume of fluid displaced.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). buoyancy. Retrieved September 21, 2026, from http://smartdefine.org/buoyancy/definitions/1983183 |
| Chicago | Webster's. 2011. "buoyancy" http://smartdefine.org/buoyancy/definitions/1983183 (accessed September 21, 2026). |
| Harvard | Webster's 2011, buoyancy, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/buoyancy/definitions/1983183>. |
| MLA | Webster's. "buoyancy" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/buoyancy/definitions/1983183> |