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

In 2015, Xander Mozejewski, who has a spinal-cord injury, joined one of Edgerton’s trials to test the effect of non-invasive ‘transcutaneous’ stimulation, in which electrodes are placed on the surface of the skin. Cassandra Willyard, Scientific American, "How a Revolutionary Technique Got People with Spinal-Cord Injuries Back on Their Feet," 7 Aug. 2019 During brain surgery, electrodes were temporarily placed over portions of participants’ brains to detect activity for about a week’s time. Fortune, "Facebook Is Working on Sci-Fi Tech That Would Let Users Type With Their Minds," 30 July 2019 The human participants in their study — three volunteers with epilepsy — already had electrodes surgically implanted on the surface of their brains as part of preparation for neurosurgery to treat their seizures. Sigal Samuel, Vox, "Facebook is building tech to read your mind. The ethical implications are staggering.," 5 Aug. 2019 Three epilepsy patients who were about to have neurosurgery for their condition all had a tiny patch of electrodes placed directly on the brain for a week to map the origins of their seizures, the researchers state in their study. Fox News, "Brain speech signals decoded into written text in breakthrough research for people with paralysis," 31 July 2019 But there’s still a lot of work to be done to make that possible without electrodes implanted in the brain. Fortune, "Facebook Is Working on Sci-Fi Tech That Would Let Users Type With Their Minds," 30 July 2019 Last week Elon Musk unveiled his most sci-fi project thus far: a computer chip connected to exceptionally slender wires with electrodes on them, all of which is meant to be embedded in a person’s brain by a surgical robot. Cnn.com Wire Service, The Mercury News, "Elon Musk hopes to put a computer chip in your brain. Who wants one?," 22 July 2019 To allow movement, the fins are made of flexible electrodes and a soft silicone skin. Emily Toomey, Smithsonian, "Engineers Built a Robotic Lionfish With an Energetic Bloodstream," 19 June 2019 His dream was to become the first person ever to receive the experimental version of the LUKE and be able control its movements through electrodes implanted into the muscles and nerves of his residual limb. Robert Rhoden, nola.com, "Tormented by pain, Mandeville veteran continues quest for state-of-the-art prosthetic," 4 June 2019

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.

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First Known Use of electrode

1833, in the meaning defined at sense 1

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Statistics for electrode

Last Updated

13 Sep 2019

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Time Traveler for electrode

The first known use of electrode was in 1833

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More Definitions for electrode



English Language Learners Definition of electrode

: one of the two points through which electricity flows into or out of a battery or other device


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

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More from Merriam-Webster on electrode

Rhyming Dictionary: Words that rhyme with electrode

Spanish Central: Translation of electrode

Nglish: Translation of electrode for Spanish Speakers

Britannica.com: Encyclopedia article about electrode

Comments on electrode

What made you want to look up electrode? Please tell us where you read or heard it (including the quote, if possible).


authorized for issue (as a bond)

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