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单词 anesthetic
释义 anesthetic
 —anesthetically,  adv.  
 /an'euhs thet"ik/,  n.  
  1. a substance that produces anesthesia, as halothane, procaine, or ether.
  adj.  
  2. pertaining to or causing physical insensibility: an anesthetic gas.
  3. physically insensitive: Halothane is used to produce an anesthetic state. Also, anaesthetic.
 [1840-50, Amer.; < Gk anaísthet(os) without feeling, senseless + -IC; see AN-1, ESTHETIC]
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