electrode

American  

[ih-lek-trohd] / ɪˈlɛk troʊd /

noun

Electricity.

1. a conductor, not necessarily metallic, through which a current enters or leaves a nonmetallic medium, as an electrolytic cell, arc generator, vacuum tube, or gaseous discharge tube.

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electrode British  

/ ɪˈlɛktrəʊd /

noun

1. a conductor through which an electric current enters or leaves an electrolyte, an electric arc, or an electronic valve or tube

2. an element in a semiconducting device that emits, collects, or controls the movement of electrons or holes

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electrode Scientific  

/ ĭ-lĕk′trōd′ /

1. A conductor through which an electric current enters or leaves a substance (or a vacuum) whose electrical characteristics are being measured, used, or manipulated. Electrodes can be used to detect electrical activity such as brain waves. Terminal points in electrical components such as transistors, diodes, and batteries are electrodes.

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Other Word Forms

• interelectrode
  noun

Etymology

Origin of electrode

First recorded in 1825–35; electr- + -ode ²

Example Sentences

See Examples For:

electrode

Importantly, the strength of this connection was associated with how much individual patients' motor symptoms improved following electrode implantation.

From Science Daily ● Aug. 12, 2026

Its open channels help materials involved in transporting ions spread more uniformly through the electrode.

From Science Daily ● Aug. 8, 2026

The sodium-based material pulled sodium from the water, while a graphite electrode removed chloride.

From Science Daily ● Aug. 1, 2026

To demonstrate a possible real-world use, the researchers made a wearable plastic electrode from the living material.

From Science Daily ● Jul. 17, 2026

I blurt out as she attaches an electrode to my forehead.

From "Divergent" by Veronica Roth