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.
The channel and the gold electrodes form a sensing circuit. Diya Dwarakanath, IEEE Spectrum, 11 Aug. 2025 In a typical hospital context an EEG is hooked up to a patient through electrodes that are placed on the scalp. Dr. Jonathan Reichental, Forbes.com, 10 Aug. 2025 The electrodes could not only stimulate the brain but also record brain signals, specifically local field potentials (LFPs), which are brain waves linked to neuron activity. New Atlas, 3 Aug. 2025 Advertisement While many recyclers currently stop at producing black mass, Redwood Materials, which is led by Tesla co-founder JB Straubel, is going further, specializing in cathode active material, which makes up the positive electrode of a battery as well as most of its cost. Natalie Donback, Time, 31 July 2025 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 20 Aug. 2025.

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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