rarefy

Other forms: rarefied; rarefying; rarefies

Definitions of rarefy
  1. verb
    lessen the density or solidity of
    “The bones are rarefied”
    see moresee less
    type of:
    alter, change, modify
    cause to change; make different; cause a transformation
  2. verb
    weaken the consistency of (a chemical substance)
    synonyms: attenuate
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    type of:
    nerf, weaken
    lessen the strength of
  3. verb
    make more subtle or refined
    synonyms: sublimate, subtilize
    see moresee less
    type of:
    alter, change, modify
    cause to change; make different; cause a transformation
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