Meaning of CATION in English

CATION

[cat.ion] n [Gk kation, neut. of kation, prp. of katienai to go down, fr. kata- cata- + ienai to go--more at issue] (1834): the ion in an electrolyzed solution that migrates to the cathode; broadly: a positively charged ion

Merriam-Webster English vocab.      Английский словарь Merriam Webster.