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

These rare recordings were made from the brain activity of consenting epilepsy patients who already had electrodes implanted into their brains for presurgical monitoring. —Yasemin Saplakoglu, Quanta Magazine, 3 July 2025

Capture brain signals: The device's tiny electrodes pick up signals from individual neurons in the motor cortex. —Kurt Knutsson, FOXNews.com, 21 June 2025

Greg Pearson, in New Jersey, had electrodes implanted in his thalamus in 2005 as part of a study by Schiff and Giacino. —Sarah Zhang, The Atlantic, 16 May 2025

These electrodes are housed in a body made from titanium and platinum-iridium, materials that are widely trusted in medical implants for their safety and compatibility with the human body, ensuring the device is suitable for long-term use. —Kurt Knutsson, FOXNews.com, 21 June 2025

Word History

First Known Use

1833, in the meaning defined at sense 1

Phrases Containing electrode

• inter-electrode

Rhymes for electrode

• interelectrode

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