buoyancy
nounUK, US /ˈbɔɪ.ən.si/
Etymology From buoyant + -cy or buoy + -ancy.
1
Natural sciences, Physical sciences, Physics The upward force on a body immersed or partly immersed in a fluid.
2
The ability of an object to stay afloat in a fluid.
3
Broadly, Figuratively Resilience or cheerfulness.
- With how much lighter a step, with how much brighter an eye, did Francesca wander through the forest, even in the last desolation of autumn, than she did in all the bloom and buoyancy of spring!1834, L[etitia] E[lizabeth] L[andon], chapter XI, in Francesca Carrara. […], volume III, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 82:
- Derived terms
- buoyancy aid, buoyancy tank, center of buoyancy, centre of buoyancy, overbuoyancy, reserve buoyancy, unbuoyancy