Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An electromagnetic wave, usually of radio frequency, produced by the oscillation of electricity in a conductor.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an electromagnetic wave generated by oscillations in an electric circuit

Etymologies

After Heinrich Rudolf Hertz.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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