cavitation

[kav-i-tey-shuhn] Origin

cav·i·ta·tion

[kav-i-tey-shuhn]
noun
1.
the rapid formation and collapse of vapor pockets in a flowing liquid in regions of very low pressure, a frequent cause of structural damage to propellers, pumps, etc.
2.
such a pocket formed in a flowing liquid.

Origin:
1890–95; cavit(y) + -ation
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Cavitation is always a great word to know.
So is lollapalooza. Does it mean:
a gadget; dingus; thingumbob.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
Collins
World English Dictionary
cavitation (ˌkævɪˈteɪʃən)
 
n
1.  the formation of vapour- or gas-filled cavities in a flowing liquid when tensile stress is superimposed on the ambient pressure
2.  the formation of cavities in a structure

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

cavitation
"formation of bubbles in fluid," 1895, from cavity.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

cavitation cav·i·ta·tion (kāv'ĭ-tā'shən)
n.
The formation of cavities in a body tissue or an organ, especially those cavities that form in the lung as a result of tuberculosis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
cavitation   (kāv'ĭ-tā'shən)  Pronunciation Key 
The formation of bubblelike gaps in a liquid. Mechanical forces, such as the moving blades of a ship's propeller or sudden negative changes in pressure, can cause cavitation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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