cation Hear it!

cation definition

cat·ion (kat′ī′ən)

noun

a positively charged ion, esp. one that moves toward the cathode during electrolysis

Etymology: coined by Michael Faraday < Gr kation, thing going down, neut. prp. of katienai, to go down < kata, down + ienai, to go: see via

Related Forms:

  • cationic cat·ionic (kat′ī än′ik) adjective

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