🇬🇧 en fr 🇫🇷

rarefied adjective

  • (of a gas etc.) Less dense than usual; thin.
 raréfié

rarefy verb

  /ˈɹɛəɹəˌfaɪ/
  • (transitive) To make rare, thin, porous, or less dense.
  • (intransitive) To become rare, thin or less dense.
 affiner
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