Ko te wāhi e uru ai, e puta ai rānei te iahiko i tētahi mehanga kawehiko. Hei tauira, ko te pito tōrunga me te pito tōraro o tētahi pūhiko motukā.
The entry or exit point of an electric current to or from an electrolyte solution. For example, the anode (positive terminal) and cathode (negative terminal) of a car battery.