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 researchers then placed electrodes on either side of the ridge to act as a gate. Aamir Khollam, Interesting Engineering, 11 Sep. 2025 In the experiments, mice wore electrode helmets while turning a tiny steering wheel to control the movement of a black-and-white striped circle on a screen. Mindy Weisberger, CNN Money, 9 Sep. 2025 That's due to polarization, which hampers the movement of lithium ions into the battery's electrodes during rapid charging and discharging. Abhimanyu Ghoshal, New Atlas, 6 Sep. 2025 On Earth, bubbles rise away from electrodes, but in microgravity, spinning is required to separate them. Andrew Jones, Space.com, 2 Sep. 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 15 Sep. 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!