One entry found for rarefaction.
Main Entry: rar·efac·tion
Pronunciation: secondarystressrar-schwa-primarystressfak-shschwan, secondarystressrer-
Function: noun
1 : the action or process of rarefying
2 : the state of being rarefied
3 : a state or region of minimum pressure in a substance (as air) being traveled through by a wave formed by compression (as sound)


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