ELECTROMAGNET

electromagnet

(noun) a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet

Source: WordNet® 3.1

Etymology

Noun

electromagnet (plural electromagnets)

A magnet which attracts metals only when electrically activated

Coordinate terms

• solenoid

Source: Wiktionary

E*lec`tro-mag"net, n.

Definition: A mass, usually of soft iron, but sometimes of some other magnetic metal, as nickel or cobalt, rendered temporarily magnetic by being placed within a coil of wire through which a current of electricity is passing. The metal is generally in the form of a bar, either straight, or bent into the shape of a horseshoe.

Source: Webster’s Unabridged Dictionary 1913 Edition

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