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.
These help offer enhanced charge transport across boundary phases in thick and dense electrodes. Prabhat Ranjan Mishra, Interesting Engineering, 30 Oct. 2025 Although the brain itself has no pain receptors, Bacon was given local anesthetic to numb her scalp and skull, as doctors made holes half the size of a small coin in her skull and implanted the stimulating electrodes inside. Elmira Aliieva, NBC news, 23 Oct. 2025 To test the hypothesis, the team built eight electrodes using slightly different proportions of the three ingredients, different types of carbon, and different electrode thicknesses. Perri Thaler, IEEE Spectrum, 22 Oct. 2025 However, previous studies that used fMRI and electrodes unearthed some of the deeper mechanisms from which such arousal signals might arise. Yasemin Saplakoglu, Quanta Magazine, 17 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 8 Nov. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!