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单词 anion
释义 anion
 —anionic /an'uy on"ik/,  adj.   —anionically,  adv.  
 /an"uy'euhn/, n. Physical Chem.
  1. a negatively charged ion, as one attracted to the anode in electrolysis.
  2. any negatively charged atom or group of atoms (opposed to cation).
 [1825-35; < Gk, neut. of anión going up (prp. of aniénai to go up), equiv. to an- AN-3 + -i- go + -on prp. suffix]
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