Adjacent Words

Rarefying definitions

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Webster's 1828 Dictionary

RAR'EFYING, ppr. Making thin or less dense.

Webster's 1913 Dictionary

Rarefy Rar"e*fy, v. t. [imp. & p. p. Rarefied; p. pr. & vb. n. Rarefying.] [F. rar['e]fier; L. rarus rare + -ficare (in comp.) to make; cf. L. rarefacere. See -fy.] To make rare, thin, porous, or less dense; to expand or enlarge without adding any new portion of matter to; -- opposed to condense.