• Webster's Revised Unabridged Dictionary
    • n Galvanograph (Engraving) A copperplate produced by the method of galvanography; also, a picture printed from such a plate.
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Century Dictionary and Cyclopedia
    • n galvanograph A plate formed by the galvanographic process.
    • n galvanograph An impression taken from such a plate.
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Chambers's Twentieth Century Dictionary
    • Galvanograph a printing-surface resembling an engraved copper-plate, produced by an electrotype process from a drawing made with viscid ink on a silvered plate: an impression taken from such a plate
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Webster's Revised Unabridged Dictionary
Galvanic, + -graph,
Chambers's Twentieth Century Dictionary
From Luigi Galvani, of Bologna, the discoverer (1737-98).