rarefy : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: rarefy	by the DICT Development Group
3 results for rarefy
From WordNet (r) 3.0 (2006) [wn]:
rarefy v lessen the density or solidity of; "The bones are rarefied" make more subtle or refined Synonym(s): rarefy, sublimate, subtilize weaken the consistency of (a chemical substance) Synonym(s): rarefy, attenuate
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Rarefy \Rar"e*fy\, v. i. To become less dense; to become thin and porous. [bd]Earth rarefies to dew.[b8] --Dryden.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Rarefy \Rar"e*fy\, v. t. [imp. & p. p. {Rarefied}; p. pr. & vb. n. {Rarefying}.] [F. rar[82]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.