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

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 Word Forms

• interelectrode noun

Word History and Origins

Origin of electrode¹

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

Example Sentences

Electrochemical techniques use electrodes placed in a chemical solution while voltage is applied to trigger specific reactions.

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FuZE-3 is also the first system from Zap to use a third electrode, which allows the mechanisms responsible for accelerating and compressing the plasma to be controlled independently.

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Most droplet electricity generators use a solid platform and a metal bottom electrode.

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Swiss researchers meanwhile have enabled several paralysed people to regain significant control of their body -- including walking again -- by implanting electrodes into their spinal cords.

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Some small pieces of glassware containing tiny samples of human cells from different organs from the body, such as the liver or brain, are connected to electrodes which send information to a computer.

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