a positively charged ion, esp. one that moves toward the cathode during electrolysis
Origin of cationcoined by Faraday from Classical Greek kation, thing going down, neuter present participle of katienai, to go down from kata, down + ienai, to go: see via
An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.
Origin of cationGreek 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.