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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 rar·e·fy /-əˌfaɪ/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 rar·e·fy /ˈrærəˌfaɪ, ˈrɛr-/ 動詞

From: Webster's Revised Unabridged Dictionary (1913)

 Rar·e·fy v. t. [imp. & p. p. Rarefied p. pr. & vb. n. Rarefying ]  To make rare, thin, porous, or less dense; to expand or enlarge without adding any new portion of matter to; -- opposed to condense.

From: Webster's Revised Unabridged Dictionary (1913)

 Rar·e·fy, v. i. To become less dense; to become thin and porous. “Earth rarefies to dew.”

From: WordNet (r) 2.0

      v 1: lessen the density or solidity of; "The bones are rarefied"
      2: make more subtle or refined [syn: sublimate, subtilize]
      3: weaken the consistency of (a chemical substance) [syn: attenuate]
      [also: rarefied]