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.
According to the researchers, the technology alternates silver ions and trithioisocyanuric acid (TCA) layers on an electrode substrate. Georgina Jedikovska, Interesting Engineering, 17 Oct. 2025 How the brain test works The noninvasive test is an electroencephalogram, or EEG, which involves placing small electrodes on the scalp to record electrical activity in the brain. Kristen Rogers, CNN Money, 12 Oct. 2025 Unlike traditional defibrillators, the electrode is placed outside the blood vessels, reducing risks such as infection or vascular damage. Christophe Mouton, MSNBC Newsweek, 8 Oct. 2025 The researchers then experimented with a number of different electrolytes to find viable candidates for ec3, as well as with thicker electrodes that could store more energy than before and don't require post-curing steps. Abhimanyu Ghoshal, New Atlas, 2 Oct. 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 27 Oct. 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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