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.
There's also a special pair of eyeglasses with lenses that are coated with see-through sensors called substrate electrodes (made of a material called ITO). Abhimanyu Ghoshal, New Atlas, 12 Jan. 2026 This demonstrates that the precious metal-free and therefore highly scalable electrode technology is more efficient than the significantly more complex solutions based on expensive and critical precious metals, as per the release. Prabhat Ranjan Mishra, Interesting Engineering, 11 Jan. 2026 Once assembled, the device used two carbon electrodes separated by the PET film and submerged in a potassium hydroxide electrolyte. Kurt Knutsson, FOXNews.com, 7 Jan. 2026 The Body Scan 2 contains eight electrodes on the scale itself, as well as an additional four electrodes within a retractable handle. Victoria Song, The Verge, 5 Jan. 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 19 Jan. 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

More from Merriam-Webster on electrode

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