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

To study this system, researchers recorded brain activity in mice by inserting electrodes and stimulating neurons with light.

From Science Daily

As part of their clinical evaluation, electrodes had already been placed in the hippocampus and nearby regions that are critical for memory.

From Science Daily

Sheets of copper and aluminum go through machines that coat electrode slurry.

From The Wall Street Journal

This technique records electrical activity between the inner ear and the brain using small electrodes placed on the animals while short bursts of sound are played through a small loudspeaker.

From Science Daily

Explaining how it works, Ghosh said small electrodes placed on the abdomen detected the activity of the muscle of the small intestine.

From BBC