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
WordReference Random House Unabridged Dictionary of American English © 2025
res•o•na•tor
(rez′ə nā′tər),USA pronunciation n.
- 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
- Electronicsa hollow enclosure (cavity resonator)made of conducting material of such dimensions that electromagnetic radiation of a certain frequency will resonate.
- Electronicsany circuit having this frequency characteristic.
- resonate + -or2 1865–70
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'resonator' also found in these entries (note: many are not synonyms or translations):