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单词 anion
释义

WordReference Random House Unabridged Dictionary of American English © 2024
an•i•on  (an′ī′ən),USA pronunciation n. [Physical Chem.]
  1. Chemistrya negatively charged ion, as one attracted to the anode in electrolysis.
  2. Chemistryany negatively charged atom or group of atoms (opposed to cation).
  • Greek, neuter of anió̄n going up (present participle of aniénai to go up), equivalent. to an- an-3 + -i- go + -ōn present participle suffix
  • 1825–35;
an•i•on•ic  (an′ī on′ik),USA pronunciation adj.  an′i•on′i•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
anion /ˈænˌaɪən/ n
  1. a negatively charged ion; an ion that is attracted to the anode during electrolysis
    Compare cation
Etymology: 19th Century: from ana- + ion

anionic /ˌænaɪˈɒnɪk/ adj
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更新时间：2026/6/20 14:33:32