Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of electro-magnetism is as below...

Magneto-electricity :: Magneto-electricity (n.) That branch of science which treats of the development of electricity by the action of magnets; -- the counterpart of electro-magnetism.

Electro-magnetism :: Electro-magnetism (n.) The magnetism developed by a current of electricity; the science which treats of the development of magnetism by means of voltaic electricity, and of the properties or actions of the currents evolved..

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