[ ih-lek-trohd ]
See synonyms for electrode on Thesaurus.com
  1. 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

First recorded in 1825–35; electr- + -ode2

Other words from electrode

  • in·ter·e·lec·trode, noun

Words Nearby electrode

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use electrode in a sentence

British Dictionary definitions for electrode


/ (ɪˈlɛktrəʊd) /

  1. a conductor through which an electric current enters or leaves an electrolyte, an electric arc, or an electronic valve or tube

  2. 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

Scientific definitions for electrode


[ ĭ-lĕktrōd′ ]

  1. 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.