: something that resounds or resonates: such as
a
: a hollow metallic container for producing microwaves or a piezoelectric crystal put into oscillation by the oscillations of an outside source
b
: a device for increasing the resonance of a musical instrument

Examples of resonator in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To store a qubit's state, the qubit transfers the information to a resonator, a container that traps a wave, where it's held as either zero or one microwave photon bouncing back and forth until the qubit takes it back. — New Atlas, 23 Sep. 2026 Microwave resonators and high-quality optical cavities could provide another path toward stronger conversion. — Aamir Khollam, Interesting Engineering, 18 Sep. 2026 See All Example Sentences for resonator

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of resonator was in 1864

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Cite this Entry

“Resonator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/resonator. Accessed 27 Sep. 2026.

Kids Definition

resonator

noun
: something (as a device for increasing the resonance of a musical instrument) that resounds or resonates

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