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voltaic pile

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noun Electricity.
  1. an early battery cell, consisting of several metal disks, each made of one of two dissimilar metals, arranged in an alternating series, and separated by pads moistened with an electrolyte.
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Origin of voltaic pile

First recorded in 1805–15
Also called galvanic pile, pile, Volta's pile.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for voltaic pile

voltaic pile

noun
  1. an early form of battery consisting of a pile of paired plates of dissimilar metals, such as zinc and copper, each pair being separated from the next by a pad moistened with an electrolyteAlso called: pile, galvanic pile, Volta's pile
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
voltaic pile in Science

voltaic pile

  1. A source of electricity consisting of a number of disks that alternate between two different metals and are separated by acid-moistened pads, forming a set of galvanic cells connected in series. See more at galvanic. See Note at battery.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.