ELECTRO-MAGNETISM • DICTIONARY ONE.COM • Definition of Electro-magnetism

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noun

Electro-magnetism n.

Magnetism produced by an electric current.

One of the fundamental forces of nature, responsible for both electrical and magnetic phenomena. Called also the electromagnetic force. Formerly believed to be separate phenomena, electricity and magnetism were shown by experiment and theory to be different aspects of the electromagnetic force. It is responsible for the forces generated between magnetically or electrically charged objects, and is the fundamental force responsible for the characteristics of electromagnetic radiation, including light.

The branch of physics concerned with electromagnetic phenomena.

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Etymology of 'Electro-magnetism'

Collaborative International Dictionary of English 0.48

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"Electro-magnetism" Quotes from Famous Books

... the Chaldeans taught the Egyptians the expansive power of steam, and the induction of electricity by pointed conductors; that from the most remote antiquity the Chinese were acquainted with decimal fractions, electro-magnetism, the mariner's compass, and the art of making glass; that lenses have been found in the ruins of Nineveh, and that an artificial currency was in circulation in the first cities built after the flood;[300] that astronomical observations ...

— Fables of Infidelity and Facts of Faith - Being an Examination of the Evidences of Infidelity • Robert Patterson

... of the Institute. James Kent, the great commentator on American law, began his lectures in Columbia College at the age of thirty-one. Henry was not far from thirty years of age when he made his world-renowned researches in electro-magnetism; and Dana's great work on mineralogy was first published before he was twenty-five years old, and about four years after he graduated at New Haven. Look at the Harvard lists:—Everett was appointed Professor of Greek at twenty-one; Benjamin Peirce, of Mathematics at twenty-four; and Agassiz ...

— The History Of University Education In Maryland • Bernard Christian Steiner

... on electro-magnetism and the protection of the copper sheathing on ships' bottoms. At the end of 1826 his health failed seriously. He went to Italy; resigned, in July, 1827, the Presidency of the Royal Society; came back to England, longing for "the fresh air of the mountains;" ...

— Consolations in Travel - or, the Last Days of a Philosopher • Humphrey Davy

... One was his Turret Clock, for which he obtained the medal at the Great Exhibition of 1851. Another was his Prize Electro-Magnet of 1845. When this subject was first mentioned to him, he said he did not know anything of the theory or practice of electro-magnetism, but he would try and find out. The result of his trying was that he won the prize for the most powerful electro-magnet: one is placed in the museum at Peel Park, Manchester, and another with the Scottish Society ...

— Industrial Biography - Iron Workers and Tool Makers • Samuel Smiles