Buoyancy

1.

(the state or quality of floating on the surface of water, animation, cheerfulness, the ability of withstand any depression, the tendency to float or maintain the high price) buoyancy of wood ភាពស្រាល, ភាពអាចអណ្ដែត, buoyancy of water ភាពធ្វើឱ្យអណ្ដែត, buoyancy of his spirits ភាពក្លៀវក្លារីករាយ

1.

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.

2.

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.

3.

Cheerfulness; vivacity; liveliness; sprightliness; -- the opposite of heaviness; as, buoyancy of spirits.