electrode

[ ih-lek-trohd ]

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.

electrode

/ 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

electrode

/ 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.

Other Words From

• inter·e·lectrode noun

Word History and Origins

Origin of electrode¹

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

Example Sentences

In January 2019, researchers at Johns Hopkins University implanted electrodes in the brain of Robert “Buz” Chmielewski.

From Science News For Students

Thin tendrils laced with hundreds or thousands of electrodes will spread out in the brain to listen in on — and perhaps even stimulate — nerve cells.

From Science News

Using an electrode and a computer, the team could then monitor for these currents.

From Singularity Hub 

Their technology replaces the graphite electrode in lithium-ion batteries with one made of semiconductor nanoparticles.

From Singularity Hub 

What’s more, the new electrolyte doesn’t degrade the battery’s electrodes, which helps the battery last longer.

From Science News

It will take some time for any cupric ions actually to reach the electrode and be deposited as metallic copper.

From Project Gutenberg

On the anode side, purple permanganate ions are seen rising toward the positive electrode.

From Project Gutenberg

The hydrogen electrode is connected with the negative post of the voltmeter, the oxygen electrode with the positive post.

From Project Gutenberg

For the purposes of this book it will be sufficient to limit our discussion to the behavior of an ideal oxygen electrode.

From Project Gutenberg

The gas is easily conducted to the platinum gauze electrode through such a tube.

From Project Gutenberg