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

To harvest the lithium, the team developed a special electrode created from a copolymer consisting of molecules that attach to lithium and those that respond to an electrical current. —New Atlas, 30 Nov. 2025

By observing 25 dogs and their owners while wearing ECG electrodes, researchers found that when the owner was relaxed or stressed, so too was their dog. —Alyce Collins, MSNBC Newsweek, 30 Nov. 2025

By modifying the electrode material or redesigning its structure, engineers may now have a path to suppressing the space-charge buildup and unlocking faster, more efficient charging. —Neetika Walter, Interesting Engineering, 28 Nov. 2025

Today, they are constructed as a thin layer of titanium dioxide or similar dielectric material sandwiched between two metal electrodes. —Perri Thaler, IEEE Spectrum, 27 Nov. 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