n.
Pronunciation: ' kat- ˌ ī - ə n, ' ka-( ˌ )t ī - ə n
Function: noun
Etymology: Greek kation, neuter of kati ō n, present participle of katienai to go down, from kata- cata- + ienai to go ― more at ISSUE
Date: 1834
: the ion in an electrolyzed solution that migrates to the cathode broadly : a positively charged ion