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Electro-magnetism   Listen
noun
Electro-magnetism  n.  
1.
Magnetism produced by an electric current.
2.
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.
3.
The branch of physics concerned with electromagnetic phenomena.






Collaborative International Dictionary of English 0.48








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"Electro-magnetism" Quotes from Famous Books



... that he ought to abandon art and devote himself to science. In 1826-27 he had delivered, at the Athenaeum in New York, the course of fine-art lectures to which reference has been made, and on alternate nights of the same season Professor J. Freeman Dana had lectured upon electro-magnetism, illustrating his remarks with the first electro-magnet (on Sturgeon's principle) ever seen in this country. Morse and Dana had been intimate friends, and had often held long conversations upon the subject of magnetism, and the magnet referred to had at length been given to the former by Professor ...
— Great Fortunes, and How They Were Made • James D. McCabe, Jr.

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

... picture when one remembers Dr. Einstein's unified field theory, concerning the relationship between electro-magnetism ...
— The Report on Unidentified Flying Objects • Edward Ruppelt

... secular knowledge as such? Would it become his Apostolical Ministry, and his descent from the Fisherman, to have a zeal for the Baconian or other philosophy of man for its own sake? Is the Vicar of Christ bound by office or by vow to be the preacher of the theory of gravitation, or a martyr for electro-magnetism? Would he be acquitting himself of the dispensation committed to him if he were smitten with an abstract love of these matters, however true, or beautiful, or ingenious, or useful? Or rather, does he ...
— The Idea of a University Defined and Illustrated: In Nine - Discourses Delivered to the Catholics of Dublin • John Henry Newman

... assimilate that principle so as to produce, in some more perfect mechanism, his force and his ideas? I think so. Man is a retort. In my judgment, the brain of an idiot contains too little phosphorous or other product of electro-magnetism, that of a madman too much; the brain of an ordinary man has but little, while that of a man of genius is saturated to its due degree. The man constantly in love, the street-porter, the dancer, the large eater, are the ones who disperse the force resulting ...
— The Alkahest • Honore de Balzac

... 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 of Arts, Edinburgh. ...
— Industrial Biography - Iron Workers and Tool Makers • Samuel Smiles

... the Omniscient, the Omnipotent, and I was amazed. I read some of His traces in creation. What unspeakable perfection!" We find in the roster of scientists who believed in an inspired Bible and a divine Savior, such men as Hans Christian Oerstedt, the great discoverer of electro-magnetism and the father of all modern electrical science, who declared that he "had but a desire to lead men to God by his books;" Lavoisier, father of modern chemistry, a Christian; Maedler, who reached the front rank of modern astronomers without relinquishing his childhood faith and ...
— Evolution - An Investigation and a Critique • Theodore Graebner

... run, the revelations of the wire. I had the hope that he was about to explain to the public the more general use of this instrument,—which, with a stupid fatuity, the public has, as yet, failed to grasp. Because its signals have been first applied by means of electro-magnetism, and afterwards by means of the chemical power of electricity, the many-headed people refuses to avail itself, as it might do very easily, of the same signals, for the simpler transmission ...
— The Atlantic Monthly, Volume 2, Issue 12, October, 1858 • Various



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