electrode

noun
elec·​trode | \i-ˈlek-ˌtrōd \

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

Today’s technology: A nurse sets up electrodes in a functional neurological exploration unit in France in 2016. Suzanne O’sullivan, WSJ, "Confessions of the Miswired Brain," 5 Oct. 2018 Using one of the Neuropace-style devices involves implanting electrodes directly into the brain to deliver pulses of electrical activity whenever a seizure starts to develop. Jennifer Ouellette, Ars Technica, "Implantable brain device could stop epileptic seizures in their tracks," 29 Aug. 2018 As the cannula moves through the breast, a small round electrode traces its path on the surface of the skin, concentrating that rejuvenating RF energy between the two parts of the device. Jolene Edgar, Harper's BAZAAR, "Everything You Need To Know About The Non-Surgical Breast Lift," 17 Aug. 2018 The lithium-ion battery is made of two electrodes, or electrical conductors, on opposite sides. Angela Chen, The Verge, "The best solution for making batteries safer might be the most boring one," 13 Aug. 2018 Specifically, carbon fibers can be used as electrodes, the materials in batteries that collect and store the battery’s charge. Avery Thompson, Popular Mechanics, "To Get More Electric Mileage, Scientists Want to Turn a Car's Frame Into a Battery," 23 Oct. 2018 The only drawback is that the Apple ECG app, which uses the Series 4's electrodes, won't be available until later this year. Valentina Palladino, Ars Technica, "You can preorder the Apple Watch Series 4 today, starting at $399," 14 Sep. 2018 Similar electrodes adhere to my 9-year-old daughter Ava, sitting beside me. Katherine Reynolds Lewis, The Cut, "Can Scientists Tell Me If I’m a Good Mom?," 17 Apr. 2018 This reduces the efficiency of the process dramatically by blocking the catalysts or electrodes. Charles W. Dunnill, Scientific American, "Method of Making Oxygen from Water in Zero Gravity Raises Hope for Long-Distance Space Travel," 10 July 2018

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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Last Updated

6 Dec 2018

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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

electrode

noun

English Language Learners Definition of electrode

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

electrode

noun
elec·​trode | \i-ˈlek-ˌtrōd \

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

electrode

noun
elec·​trode | \i-ˈlek-ˌtrōd \

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

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