elec·​trode | \ i-ˈlek-ˌtrōd How to pronounce electrode (audio) \

Definition of electrode

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 Both types of batteries work by sending ions from one electrode, called the cathode, to another, the anode. Eric Tegler, Popular Mechanics, 21 June 2022 The silicon could be used to control the flow of current across the graphene from one electrode to the other. John Timmer, Ars Technica, 27 Apr. 2022 No one knows exactly how long existing electrode arrays can remain in a human brain without breaking down or endangering someone’s health. New York Times, 12 May 2022 Such systems generally involve electrode sensors to record neuronal activity, a chipset to transmit the signals, and computer algorithms to translate the signals. Jennifer Ouellette, Ars Technica, 15 Apr. 2022 Place the electrode pads on sore areas, set the intensity, duration, and muscle group on the PowerDot app, and let the healing happen. Gabriela Aoun, Outside Online, 10 Nov. 2020 Then the oxides can be turned into pure metal by adding it to a proprietary solution of molten salts heated to about 1,300 degrees Fahrenheit, and zapping the mixture with electricity, causing the pure metal to collect on an electrode. Globe Staff, BostonGlobe.com, 12 May 2022 The forehead electrode picks up brain wave information, which is sent to a microchip in the prosthetic arm via Bluetooth. Margaret Osborne, Smithsonian Magazine, 2 May 2022 Most current methods, Balch adds, require the simultaneous use of two devices, like an electrode and a strain gauge, to answer both questions at the same time. Karmela Padavic-callaghan, Wired, 12 July 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electrode.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of electrode

1833, in the meaning defined at sense 1

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Time Traveler for electrode

Time Traveler

The first known use of electrode was in 1833

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Dictionary Entries Near electrode

electrocutor trap



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Last Updated

23 Jun 2022

Cite this Entry

“Electrode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrode. Accessed 2 Jul. 2022.

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More Definitions for electrode


elec·​trode | \ i-ˈlek-ˌtrōd How to pronounce electrode (audio) \

Kids Definition of electrode

: a conductor (as a metal or carbon) used to make electrical contact with a part of an electrical circuit that is not metallic


elec·​trode | \ i-ˈlek-ˌtrōd How to pronounce electrode (audio) \

Medical Definition of electrode

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

More from Merriam-Webster on electrode

Nglish: Translation of electrode for Spanish Speakers

Britannica.com: Encyclopedia article about electrode


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