electrode

noun

elec·​trode i-ˈlek-ˌtrōd 

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 electrodes accessed each patient’s medial temporal lobe, the part of the brain that includes the amygdala, entorhinal cortex and hippocampus, which is the hub for emotion and memory. —Quanta Magazine, 21 Jan. 2025

The probe will deploy a magnetometer on a mast, as well as electrodes from each other the lander's four corners. —Josh Dinner, Space.com, 14 Jan. 2025

Unlike Neuralink's brain-computer interface, which requires an implant in the brain, Shevchenko wants to accomplish this by continually adding more electrodes to the head. —Julian Chokkattu, WIRED, 8 Jan. 2025

The researchers then created three electrodes based on their HCGDE design in three sizes: 5 cm2, 14 cm2, and a whopping 50 cm2, fully 10 times as large as other experimental electrodes, as well as electrodes without the woven copper wires. —IEEE Spectrum, 18 Dec. 2024

Word History

First Known Use

1833, in the meaning defined at sense 1

Phrases Containing electrode

• inter-electrode

Kids Definition

electrode

noun

elec·​trode i-ˈlek-ˌtrōd 

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

Medical Definition

electrode

noun

elec·​trode i-ˈlek-ˌtrōd 

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