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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The lawsuit targets Strada and his firm, claiming that during the COVID-19 pandemic, contractors faced a shortage of a variety of materials, including federal code-compliant grounding electrode conductor wiring for new homes. Annie Martin, The Orlando Sentinel, 25 Aug. 2026 Spread evenly throughout the electrode, binder material creates uniform lithium-ion transport pathways and consistent protective film formation. Mrigakshi Dixit, Interesting Engineering, 24 Aug. 2026 Synaptic purge To find out how many synapses are lost during QIH, Tanaka’s team implanted tetrodes, bundles of fine electrodes, into the hippocampus of freely moving mice. Jacek Krywko, ArsTechnica, 22 Aug. 2026 For one, the implant uses electrocorticography (ECoG) electrode arrays that rest on the brain’s surface—a distinction from other BCI designs that place penetrating electrodes inside brain tissue. Shannon Cuthrell, IEEE Spectrum, 20 Aug. 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 26 Aug. 2026.

Kids Definition

: 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

: a conductor used to establish electrical contact with a nonmetallic part of a circuit

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