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.

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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

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Etymology

Origin of resonator

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

Example Sentences

See Examples For:

resonator

"The Earth-ionosphere cavity acts as a natural resonator that amplifies electromagnetic waves right around the mass range we wanted to probe."

From Science Daily ● Sep. 6, 2026

"We've been chasing this kind of resonator for a long time, and when we saw the sharp resonances on this new device we knew right away that we'd finally cracked the code."

From Science Daily ● Feb. 24, 2026

The brittle, acoustically reflective shell combines with its curved, hollow shape to act as a Helmholtz resonator, rendering ambient background noise into the sound of the surf.

From The Wall Street Journal ● Jan. 16, 2026

From the discovery four years ago that a pair of gold flakes creates a self-assembled resonator, researchers have now developed a method to study various fundamental forces.

From Science Daily ● Oct. 23, 2025

“And now we’ve told you, I’ll take your resonator lodestone.”

From "The Amber Spyglass" by Philip Pullman