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
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Their analysis showed that electron penetration into the channel varies depending on the choice of metal electrode and the atomic structure of the contact interface. Neetika Walter, Interesting Engineering, 16 June 2026 The implantable pulse generator was placed within a silicone cuff on the left cervical vagus nerve, with electrode contacts positioned to deliver stimulation. Samantha Agate, Fort Worth Star-Telegram, 13 June 2026 Conventional lithium-ion batteries, the chemistry behind most electric cars, use a liquid electrolyte to move charge between electrodes. Omar Kardoudi june 12, New Atlas, 12 June 2026 For deep brain stimulation, however, the device connects directly to electrodes surgically placed in the brain, in the areas responsible for the seizures. Marina Kopf, NBC news, 27 May 2026 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 17 Jun. 2026.

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

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