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.