[f. as prec. + -ode (as in ANODE), ad. Gr. ὁδός way.] One of the poles of a galvanic battery. See ANODE and CATHODE.

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1834.  Faraday, Res. Electr. (1839), § 662. In place of the term pole I propose … Electrode, and I mean thereby that surface … which bounds the extent of the decomposing matter in the direction of the electric current.

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1850.  Daubeny, Atom. The., vii. (ed. 2), 207. The same wire, if made the positive electrode of the galvanic battery, is not acted upon by the acid.

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1878.  Huxley, Physiogr., 102. This plate forms one of the electrodes [note, otherwise called the pole] or entrances by which the electricity reaches the liquid.

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