Bible Dictionaries
Electro-Magnet

Webster's Dictionary

(n.) 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.

Bibliography Information
Webster, Noah. Entry for 'Electro-Magnet'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/electro-magnet.html. 1828.