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

Kimberly Noble, a neuroscientist, holds up a blue and red cap dotted with electrodes that rest on a toddler’s scalp to measure electrical activity in the brain. — Leslie Brody, WSJ, "Can an Extra $333 a Month Improve a Baby’s Brain? A Research Team Wants to Know.," 29 Apr. 2019 Until the electrodes were implanted Mr. B had no particular interest in music, least of all country music. — Carl Elliott, The New York Review of Books, "Happiness on Demand?," 7 Feb. 2019 These liquids enable ions to flow between electrodes separated by a porous membrane, thus creating a current. — Matthew Sedacca, Scientific American, "These New Batteries Won't Make Your Smartphone Explode," 1 Oct. 2017 When triggered by something like too much heat or too-high voltage, the layer breaks the connection between the electrodes and the part of the battery responsible for regulating how the electricity moves through the device. — Angela Chen, The Verge, "The best solution for making batteries safer might be the most boring one," 13 Aug. 2018 The implant contains an electrode array that emits small pulses of electricity. — Caren Chesler, Popular Mechanics, "A Vision Quest," 6 Mar. 2019 This three-electrode EEG is connected to a small display screen. — Larry Greenemeier, Scientific American, "Marvel Comics Gets Inside the Heads of the Avengers," 21 Aug. 2014 One possibility was the formation of metal filaments between the electrodes. — John Timmer, Ars Technica, "Researchers make RAM from a phase change we don’t entirely understand," 18 Dec. 2018 Thanks to Stanford researchers, there might be a new recipe for hydrogen fuel: saltwater, electrodes and solar power. — David Grossman, Popular Mechanics, "Scientists Are Now Transforming Saltwater Into Hydrogen Fuel," 20 Mar. 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.