electrode

noun

elec·​trode i-ˈlek-ˌtrōd How to pronounce electrode (audio)
1
: a conductor used to establish electrical contact with a nonmetallic part of a circuit
2
: an element in a semiconductor device (such as a transistor) that emits or collects electrons or holes or controls their movements

Examples of electrode in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
At the core of any battery is the electrolyte, a chemical medium that allows ions to move between the positive and negative electrodes. Bojan Stojkovski, Interesting Engineering, 29 Mar. 2026 The team was particularly interested in stillage’s possible integration into energy storing supercapacitor electrodes, which are used in everything from consumer electronics, to automobile braking systems, to utility grids. Andrew Paul, Popular Science, 25 Mar. 2026 Eight electrodes protrude from the chip and are placed on the brain, in the area that processes body movement. Jorge Garay, Wired News, 20 Mar. 2026 When the wing bends, the spacing between these electrodes changes, altering their electrical capacitance and allowing the system to sense the wing's real-time deformation. Etiido Uko march 09, New Atlas, 9 Mar. 2026 See All Example Sentences for electrode

Word History

First Known Use

1833, in the meaning defined at sense 1

Time Traveler
The first known use of electrode was in 1833

Cite this Entry

“Electrode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrode. Accessed 2 Apr. 2026.

Kids Definition

electrode

noun
elec·​trode i-ˈlek-ˌtrōd How to pronounce electrode (audio)
: a conductor (as a metal or carbon) used to make electrical contact with a part of an electrical circuit that is not metallic

Medical Definition

electrode

noun
elec·​trode i-ˈlek-ˌtrōd How to pronounce electrode (audio)
: a conductor used to establish electrical contact with a nonmetallic part of a circuit

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