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cavity resonator

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noun Electronics.
  1. See under resonator(def 4a).

resonator

[rez-uh-ney-ter]
noun
  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.
  4. Electronics.
    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.

Origin of resonator

First recorded in 1865–70; resonate + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for cavity resonator

resonator

noun
  1. any body or system that displays resonance, esp a tuned electrical circuit or a conducting cavity in which microwaves are generated by a resonant current

cavity resonator

noun
  1. electronics a conducting surface enclosing a space in which an oscillating electromagnetic field can be maintained, the dimensions of the cavity determining the resonant frequency of the oscillations. It is used in microwave devices for frequencies exceeding 300 megahertzAlso called: resonant cavity, rhumbatron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cavity resonator

resonator

n.

instrument or chamber formed to respond to a single tone, 1869, agent noun in Latin form from resonate (v.).

Online Etymology Dictionary, © 2010 Douglas Harper