cat·i·on (k t    n)n. An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis. [Greek kation, something going down, from neuter present participle of katienai, to go down : kat-, kata-, cata- + ienai, to go; see ei- in Indo-European roots.] cat i·onic (kt- n k) adj. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Adj. | 1. | cationic - of or relating to cations anionic - of or relating to anions |
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