rarefy

英['reərɪfaɪ] 美['rerəˌfaɪ]
  • vt. 使变稀少;使变纯净
  • vi. 变稀薄
  • =rarify.
rarefiable
TOEFL
Verb:
  1. lessen the density or solidity of;

    "The bones are rarefied"

  2. make more subtle or refined

  3. weaken the consistency of (a chemical substance)

    1. The rarefied fluid said to run in the veins of the gods.
      灵液诸神血管里流动着的稀有液体
    2. He moves in very rarefied circles; his friends are all lords.
      他活动于上流阶层,结交的尽是贵族。

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