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rarefactional

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Rarefactional
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rar⋅e⋅fac⋅tion

  [rair-uh-fak-shuhn]
Use rarefactional in a Sentence
–noun
1. the act or process of rarefying.
2. the state of being rarefied.
Origin:
1595–1605; < ML rārēfactiōn- (s. of rārēfactiō), equiv. to L rārēfact(us) (ptp. of rārēfacere; see rarefy ) + -iōn- -ion

Related forms:
rar⋅e⋅fac⋅tion⋅al, adjective
rar⋅e⋅fac⋅tive  [rair-uh-fak-tiv] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Rarefactional
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Medical Dictionary

Main Entry: rar·e·fac·tion
Pronunciation: "rar-&-'fak-sh&n, "rer-
Function: noun
1 : the action or process of rarefying
2 : the quality or state of being rarefied; especially : an increase in porosity rarefaction in the bones>
3 : a stateor region of minimum pressure in a medium transversed by compressional waves (as sound waves) rarefactions of the sound wave> —rar·e·fac·tion·al /-shn&l, -sh&n-&l/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

rarefaction rar·e·fac·tion (râr'ə-fāk'shən)
n.
A decrease in density and pressure in a medium, such as air, caused by the passage of a sound wave.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
rarefaction   (râr'ə-fāk'shən)  Pronunciation Key 

  1. A decrease in density and pressure in a medium, such as air, especially when caused by the passage of a wave, such as a sound wave.

  2. The region in which this occurs.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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