Thesaurus: buoyancy

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1. 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.
2. 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.
3. n. Cheerfulness; vivacity; liveliness; sprightliness; -- the opposite of heaviness; as, buoyancy of spirits.
4. n. cheerfulness that bubbles to the surface
5. n. the property of something weightless and insubstantial
6. n. the tendency to float in water or other liquid
7. n. irrepressible liveliness and good spirit
8. 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. (Physics) 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. Such are buoyancies or displacements of the different classes of her majesty's ships. Eng. Cyc. 3. Cheerfulness; vivacity; liveliness; sprightliness; -- the opposite of Ant: heaviness; as, buoyancy of spirits.
9. The upward pressure exerted upon a floating body by a fluid,which is equal to the weight of the body; hence, also, the weight ofa floating body, as measured by the volume of fluid displaced.Such are buoyancies or displacements of the different classes of hermajesty's ships. Eng. Cyc.
10. n:100 n. cheerfulness that bubbles to the surface n. the tendency to float in water or other liquid