- a conductor, not necessarily metallic, through which a current enters or leaves a nonmetallic medium, as an electrolytic cell, arc generator, vacuum tube, or gaseous discharge tube.
Origin of electrode
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for electrode
Here Tom attached an electrode to each side of the star head.Tom Swift and The Visitor from Planet X
The flames were arranged so as to form one electrode of a frictional machine.
Her outflung hand had unwittingly gripped my wrist, caught the electrode there.
In Fig. 24 W is the metal core of the electrode, and G the glass covering around it.
Above the electrode is a chamber of metal or India-rubber, designed to contain ice.
- a conductor through which an electric current enters or leaves an electrolyte, an electric arc, or an electronic valve or tube
- an element in a semiconducting device that emits, collects, or controls the movement of electrons or holes
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
Word Origin and History for electrode
Online Etymology Dictionary, © 2010 Douglas Harper
- A solid electric conductor through which an electric current enters or leaves an electrolytic cell or other medium.
- A collector or emitter of electric charge or of electric-charge carriers, as in a semiconducting device.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A conductor through which an electric current enters or leaves a substance (or a vacuum) whose electrical characteristics are being measured, used, or manipulated. Electrodes can be used to detect electrical activity such as brain waves. Terminal points in electrical components such as transistors, diodes, and batteries are electrodes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.