electrode

Definition

An electrode is a piece of metal or other material that is used to conduct electricity into or out of a circuit. Electrodes are used in many different devices, such as batteries, light bulbs, and electroplating baths.

How can the word be used?

The electrodes were connected to an external power source.

Different forms of the word

Noun: electrode, anode, cathode.

Adjective: electrodetic.

Verb: to electrode.

Synonym: terminal, contact, connector.

Antonym: insulator.

Etymology

The word "electrode" comes from the Greek words "elektron" (amber) and "hodos" (way). Amber is a fossilized tree resin that can be rubbed to produce a static electric charge. The word "hodos" means "way" or "path".

Question

Where might you find an electrode being used?