resonator

noun

res·​o·​na·​tor ˈre-zə-ˌnā-tər 

: 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

After testing, gold proved the most acoustically refined for the watch’s sound, and one of 13 patents is a gold acoustic membrane under the bezel that serves as a resonator. —Thor Svaboe, Robb Report, 24 Nov. 2025

Tiny resonators and future uses The researchers also used 2DPA-1 to build a nanoscale resonator, a microscopic vibrating drum that could shrink communication devices. —Aamir Khollam, Interesting Engineering, 12 Nov. 2025

Hypersonic Levitation in Cell Isolation A new method of isolating and suspending cells, called hypersonic levitation and spinning (HLS), relies on acoustic resonators and micro-electromechanical systems (MEMS) technology to yield biology breakthroughs. —Perri Thaler, IEEE Spectrum, 30 Oct. 2025

That approach allows SiTime engineers to design resonators that are not only far smaller than quartz equivalents but also more customizable and consistent across manufacturing runs. —Dave Altavilla, Forbes.com, 17 Sep. 2025

Word History

First Known Use

1864, in the meaning defined above

Phrases Containing resonator

• resonator guitar

Rhymes for resonator

• activator
• actuator
• agitator
• alligator
• allocator
• alternator
• animator
• annotator
• applicator
• arbitrator
• aspirator
• aviator

Kids Definition

resonator

noun

res·​o·​na·​tor ˈrez-ᵊn-ˌāt-ər 

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