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The Collaborative International Dictionary
galvanic pile

Pile \Pile\, n. [F. pile, L. pila a pillar, a pier or mole of stone. Cf. Pillar.]

  1. A mass of things heaped together; a heap; as, a pile of stones; a pile of wood.

  2. A mass formed in layers; as, a pile of shot.

  3. A funeral pile; a pyre.
    --Dryden.

  4. A large building, or mass of buildings.

    The pile o'erlooked the town and drew the fight.
    --Dryden.

  5. (Iron Manuf.) Same as Fagot, n., 2.

  6. (Elec.) A vertical series of alternate disks of two dissimilar metals, as copper and zinc, laid up with disks of cloth or paper moistened with acid water between them, for producing a current of electricity; -- commonly called Volta's pile, voltaic pile, or galvanic pile.

    Note: The term is sometimes applied to other forms of apparatus designed to produce a current of electricity, or as synonymous with battery; as, for instance, to an apparatus for generating a current of electricity by the action of heat, usually called a thermopile.

  7. [F. pile pile, an engraved die, L. pila a pillar.] The reverse of a coin. See Reverse.

    Cross and pile. See under Cross.

    Dry pile. See under Dry.

WordNet
galvanic pile

n. battery consisting of voltaic cells arranged in series; the earliest electric battery devised by Volta [syn: voltaic pile, pile]