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单词 penetrant
释义 penetrant
 /pen"i treuhnt/,  n.  
  1. a person or thing that penetrates.
  2. a compound that penetrates the skin, as a lotion or cream.
  3. a substance that lowers the surface tension of water; wetting agent.
  4.  Zool.   a large nematocyst discharging a barbed thread that penetrates the body of the prey and injects a toxic fluid.
  adj.  
  5. penetrating.
 [1535-45; < L penetrant- (s. of penetrans), prp. of penetrare to PENETRATE; see -ANT]
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更新时间:2025/3/28 13:09:54