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Meaning of resonator

res•o•na•tor

Pronunciation: (rez'u-nā"tur), [key]
— n.
  1. anything that resonates.
  2. an appliance for increasing sound by resonance.
  3. an instrument for detecting the presence of a particular frequency by means of resonance.
    1. a hollow enclosure(cavity resonator)made of conducting material of such dimensions that electromagnetic radiation of a certain frequency will resonate.
    2. any circuit having this frequency characteristic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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