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Meaning of RAREFY

Pronunciation:  'rehru`fI

WordNet Dictionary
  1. [v]  weaken the consistency of (a chemical substance)
  2. [v]  make more subtle or refined
  3. [v]  lessen the density or solidity (of a substance); "The bones are rarefied"

RAREFY is a 6 letter word that starts with R.


 Synonyms: attenuate, sublimate, subtilize
 See Also: alter, change, weaken



Webster's 1913 Dictionary
  1. \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.
  2. \Rar"e*fy\, v. i.
    To become less dense; to become thin and porous. ``Earth
    rarefies to dew.'' --Dryden.