Definition from Wiktionary, the free dictionary
See also: catión
From Greek kation "going down," neuter present participle of katienai "to go down," from kata "down" (see cata-)
cation (plural cations)
- (chemistry) A positively charged ion—opposed to anion.
- (chemistry) The ion in an electrolyzed solution that migrates to the cathode.
a positively charged ion
cation m (plural cations)