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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]


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  • Buoyancy - Wikipedia
    Buoyancy ( ˈbɔɪənsi, ˈbuːjənsi ), [1][2] or upthrust, is the force exerted by a fluid opposing the weight of a partially or fully immersed object (which may be also be a parcel of fluid) In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid
  • Buoyancy and Buoyant Force: Definition, Examples, and Formula
    What does buoyancy mean in science and physics Learn its types, along with examples, equations, diagrams Also, learn how to calculate the buoyant force
  • Buoyancy | History, Science, Applications | Britannica
    buoyancy, tendency of an object to float or to rise in a fluid when submerged This fluid can be either a liquid or a gas
  • Buoyancy in Physics – Definition, Formula, Examples
    Buoyancy is an essential force in fluid mechanics, governing why objects float or sink From Archimedes’ principle to practical applications in engineering and medicine, understanding buoyancy involves exploring the interplay of density, fluid displacement, and gravitational forces
  • What Is Buoyancy? The Physics of Floating
    Buoyancy not only helps us understand how ships stay afloat and why clouds form, but also reveals deep insights about fluid dynamics, pressure, density, and the invisible forces that shape our physical world
  • 14. 6: Archimedes’ Principle and Buoyancy - Physics LibreTexts
    Archimedes’ principle refers to the force of buoyancy that results when a body is submerged in a fluid, whether partially or wholly The force that provides the pressure of a fluid acts on a body perpendicular to the surface of the body
  • Buoyancy - Encyclopedia. com
    Buoyancy is the tendency of an object to float in a fluid, such as air or water The principle of buoyancy was first discovered by Greek mathematician Archimedes (c 287 – 212 b c ) and is therefore often called Archimedes' Principle
  • Buoyancy - Summary – The Physics Hypertextbook
    When an object is immersed in a fluid, the pressure on its bottom is greater than the pressure on its top This results in an upward force called buoyancy
  • BUOYANCY Definition Meaning - Merriam-Webster
    The meaning of BUOYANCY is the tendency of a body to float or to rise when submerged in a fluid How to use buoyancy in a sentence
  • What is Buoyancy? Its Diagram and Applications
    Buoyancy is the upward force exerted by a fluid that opposes the weight of an object submerged in it This fundamental principle explains why objects float or sink and plays a crucial role in fluid mechanics, shipbuilding, aeronautics, and even weather systems





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