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单词 effloresce
释义 effloresce
 /ef'leuh res"/,  v.i.  , effloresced, efflorescing.
  1. to burst into bloom; blossom.
  2.  Chem.  
   a. to change either throughout or on the surface to a mealy or powdery substance upon exposure to air, as a crystalline substance through loss of water of crystallization.
   b. to become incrusted or covered with crystals of salt or the like through evaporation or chemical change.
 [1765-75; < L efflorescere to blossom out, equiv. to ef- EF- + florescere to begin to bloom (flor(i)-, s. of flos flower + -escere -ESCE)]
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更新时间:2025/2/24 21:37:20