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.
Another practice, deep brain stimulation, or DBS, targets similar regions as the other procedures through electrodes implanted in the brain, which can subsequently be modified or fully removed. Frieda Klotz, Smithsonian Magazine, 25 Apr. 2025 Precision Neuroscience claims to be capturing higher resolution brain signals than academic researchers, since the electrodes of its implants are more densely packed. ArsTechnica, 21 Apr. 2025 Before beginning brain surgery, doctors often use electrodes placed on a patient's head, which detect signals used to build a map of the patient’s brain. Alex Knapp, Forbes.com, 18 Apr. 2025 Since then, Neuralink has upgraded the system with more electrodes, which the company says should provide greater bandwidth and longer battery life. Mack Degeurin, Popular Science, 2 Apr. 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 19 May. 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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