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

The startup’s approach includes placing electrodes near certain neurons after a protective layer around the brain and a piece of the patient’s skull are removed.

From MarketWatch

A team at the University of Oxford has created an advanced technique that makes it possible to clearly see a vital component inside lithium-ion battery electrodes that scientists have struggled to track.

From Science Daily

At the same time, a graphite electrode extracted chloride ions in a process known as electrochemical desalination.

From Science Daily

Such material might be sandwiched between electrodes so that they contract or expand as voltage is applied and removed, for example.

From BBC

Using specialized electrodes, they were able to monitor roughly 100 individual place cells simultaneously as the animals explored and then rested.

From Science Daily