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. |
cation [ˈkætaɪən]
n
(Physics / General Physics) a positively charged ion; an ion that is attracted to the cathode during electrolysis Compare anion
[from cata- + ion]
cationic [ˌkætaɪˈɒnɪk] adj
| cation (ktn) An ion with net positive charge, having more protons than electrons. In electrolysis, cations migrate to a negatively charged cathode. Compare anion. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | cation - a positively charged ion hydrogen ion - a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus ion - a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons diazonium - the univalent cation R-N:N- (where R is an aromatic hydrocarbon); found in salts that are used in manufacturing azo dyes |
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