resonator

[ rez-uh-ney-ter ]
/ ˈrɛz əˌneɪ tər /
|

noun

anything that resonates.
an appliance for increasing sound by resonance.
an instrument for detecting the presence of a particular frequency by means of resonance.
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. 2019

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British Dictionary definitions for resonator

resonator

/ (ˈrɛzəˌneɪtə) /

noun

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

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