| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024cat•i•on (kat′ī′ən, -on),USA pronunciation n. [Physical Chem.]- Chemistrya positively charged ion that is attracted to the cathode in electrolysis.
- Chemistryany positively charged atom or group of atoms (opposed to anion).
Also, kation. - Greek katión going down (neuter of katió̄n, present participle of kateînai), equivalent. to kat-cat- + -i- go + -on neuter present participle suffix
- 1825–35;
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