1. plate out - Noun
2. plate out - Verb
(intransitive, chemistry, of an aqueous ion) To be neutralized and deposited onto a solid surface.
In this galvanic cell, Ag ions are reduced into metallic silver and plate out onto an electrode.
(transitive, chemistry) To cause to plate out.
plate-out (uncountable)
(chemistry) That which has plated out; dissolved metal deposited onto a solid surface.
plate-out