Meaning of excitation


Pronunciation: (ek"sī-tā'shun, -si-), [key]
— n.
  1. the act of exciting.
  2. the state of being excited.
    1. the application of voltage to an electric device, as an electron-tube circuit, an antenna, or a dynamotor, often for producing a magnetic field in the device.
    2. the voltage applied.
  3. a process in which a molecule, atom, nucleus, or particle is excited.
  4. Also calledthe varying voltage applied to the control electrode of a vacuum tube.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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