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buoyancy 音标拼音: [b'ɔɪənsi] n. 浮力;轻快;乐观 浮力;轻快;乐观 buoyancy n 1: cheerfulness that bubbles to the surface [synonym: {buoyancy}, {perkiness}] 2: the property of something weightless and insubstantial [synonym: {airiness}, {buoyancy}] 3: the tendency to float in water or other liquid 4: irrepressible liveliness and good spirit; "I admired his buoyancy and persistent good humor" [synonym: {irrepressibility}, {buoyancy}] Buoyancy \Buoy"an*cy\, n.; pl. {Buoyancies}. 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. [1913 Webster] 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. [1913 Webster] Such are buoyancies or displacements of the different classes of her majesty's ships. --Eng. Cyc. [1913 Webster] 3. Cheerfulness; vivacity; liveliness; sprightliness; -- the opposite of {heaviness}; as, buoyancy of spirits. [1913 Webster] 57 Moby Thesaurus words for "buoyancy":
adaptability, airiness, ascent, bounce, bounciness, breeziness, bubbliness, buoyance, carefreeness, chirpiness, daintiness, debonairness, delicacy, downiness, effervescence, elasticity, ethereality, extensibility, exuberance, flexibility, floatability, fluffiness, foaminess, frothiness, gentleness, give, gossameriness, jauntiness, lack of weight, levitation, levity, light heart, lightheartedness, lightness, lightsomeness, liveliness, perkiness, pertness, rebound, resilience, resiliency, responsiveness, snap, softness, spring, springiness, stretch, stretchability, stretchiness, tenderness, tone, tonicity, tonus, unheaviness, volatility, weightlessness, yeastiness
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