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

The researchers eliminated this explanation by changing the electrodes to graphene and showing that the device still worked. — John Timmer, Ars Technica, "Researchers make RAM from a phase change we don’t entirely understand," 18 Dec. 2018 Harder to ignore is the electrode stuck to my forehead. — Joe Pappalardo, Popular Mechanics, "What Happened When I Trained With Air Force Human Performance Specialists," 12 Feb. 2019 And while the electrodes on the digital crown and the backside of the watch were there, the software to support them hadn’t been released. — Dieter Bohn, The Verge, "Apple Watch electrocardiogram and irregular heart rate features are available today," 6 Dec. 2018 Further Reading Apple Watch Series 4 review: A bigger, better watchOS experience Apple Watch Series 4 devices all have built-in electrodes that can measure electrocardiograms, or ECGs. — Valentina Palladino, Ars Technica, "Apple’s anticipated ECG app rolls out today in watchOS 5.1.2," 6 Dec. 2018 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

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.