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.
Researchers developed a new approach, the constant inner potential density functional theory, which enables the inclusion of the electrode potential in the simulation of semiconductor electrochemistry. Prabhat Ranjan Mishra, Interesting Engineering, 15 Mar. 2026 Inside the cell, the thin separator between the negative and positive electrodes is then at risk of being breached by these dendrites, leaving the positive side of the battery exposed. New Atlas, 13 Mar. 2026 The subjects had already been fitted with intracranial electrodes as part of their preparation for surgical epilepsy treatment. Emily Kay Votruba, EverydayHealth.com, 9 Mar. 2026 Most brain-computer interface systems rely on electrodes that detect electrical signals from neurons. Kurt Knutsson, FOXNews.com, 2 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 21 Mar. 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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