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buoy·an·cy
Audio Help [boi-uh
n-see, boo-yuh
n-see] Pronunciation Key
Audio Help [boi-uh
n-see, boo-yuh
n-see] Pronunciation Key –noun
| 1. | the power to float or rise in a fluid; relative lightness. |
| 2. | the power of supporting a body so that it floats; upward pressure exerted by the fluid in which a body is immersed. |
| 3. | lightness or resilience of spirit; cheerfulness. |
| Dictionary.com Unabridged (v 1.1) Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006. |
buoyancy
To learn more about buoyancy visit Britannica.com
| © 2008 Encyclopædia Britannica, Inc. |
| buoy·an·cy
Audio Help (boi'ən-sē, bōō'yən-) Pronunciation Key
n.
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| The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2006 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
| buoyancy | |
noun | |
| 1. | cheerfulness that bubbles to the surface |
| 2. | the property of something weightless and insubstantial [syn: airiness] |
| 3. | the tendency to float in water or other liquid |
| 4. | irrepressible liveliness and good spirit; "I admired his buoyancy and persistent good humor" [syn: irrepressibility] |
| WordNet® 3.0, © 2006 by Princeton University. |
ˈbuoyancy noun
the ability to float on water or in the air
Example: the buoyancy of a balloon
See also: buoyExample: the buoyancy of a balloon
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| Kernerman English Multilingual Dictionary, © 2000-2006 K Dictionaries Ltd. |
| buoyancy
Audio Help (boi'ən-sē) Pronunciation Key
The upward force that a fluid exerts on an object that is less dense than itself. Buoyancy allows a boat to float on water and provides lift for balloons. |
| The American Heritage® Science Dictionary Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
buoyancy
The force that causes objects to float. According to the principle of Archimedes, when a solid is placed in a fluid (a liquid or a gas), it is subject to an upward force equal in magnitude to the weight of the fluid it has displaced.
[Chapter:] Physical Sciences and Mathematics
| The American Heritage® New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
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. 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 heaviness; as, buoyancy of spirits.| Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc. |
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