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Rarefaction

RAREFAC'TION, n. [See Rarefy.] The act or process of expanding or distending bodies, by separating the parts and rendering the bodies more rare or porous, by which operation they appear under a larger bulk, or...

Webster Dictionary
English dictionary 16.3 MB

Meaning

RAREFAC'TION, n. [See Rarefy.]

The act or process of expanding or distending bodies, by separating the parts and rendering the bodies more rare or porous, by which operation they appear under a larger bulk, or require more room, without an accession of new matter; opposed to condensation; as the rarefaction of air.

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