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rarefy

/ˈɹɛɹəfaɪ/ · 6 letters · 5 distinct letters

  1. verb

    lessen the density or solidity of

    The bones are rarefied

  2. verb

    make more subtle or refined

  3. verb

    weaken the consistency of (a chemical substance)

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rarefy: definition, pronunciation and puzzle history · Nectary