| 释义 |
buoy·an·cy
\ˈbȯiənsē, ˈbüyən-, ˈbüiən-, ˈbȯiyən-, ˈbu̇in-\ noun
also buoy·ance \-n(t)s\
(plural buoyancies or buoyances)
Etymology: buoyancy from buoyant + -cy; buoyance from buoyancy, after such pairs as English elegancy: elegance
1.
a. : the property of floating on the surface of a liquid or in a fluid : the tendency of a body to float or to rise when submerged in a fluid being dependent upon the excess of the specific gravity of the fluid over that of the body
b. : the property of a fluid by which it exerts an upward force on a body placed in it; specifically : the upward force exerted on a lighter-than-air craft due to the air which it displaces
2.
a. : resilience of spirit : the ability to emerge from or to elude depression : lightheartedness, sprightliness : the ability to recover quickly from discouragement
b. : generating or resulting in such lightheartedness or recovery
< a novel of great buoyancy and optimism >
3. : lightness, springiness
< walking with amazing buoyancy considering his increasing age >
4. : the property (as of prices or business activity) of maintaining a satisfactorily high level
< the future of the fund depends on the buoyancy of national wealth — Meet New Zealand >
< the buoyancy of bank deposits — Economist > |