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resonator

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

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.

resonator British  
/ ˈrɛzəˌneɪtə /

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

"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

Etymology

Origin of resonator

First recorded in 1865–70; resonate + -or 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.