noun
a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
• Syn: ↑resonator, ↑resonating chamber
• Hypernyms: ↑chamber
• Hyponyms: ↑soundbox, ↑body, ↑sounding board, ↑soundboard
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noun : an electronic device consisting of a space usually enclosed by metallic walls within which resonant electromagnetic fields may be excited and extracted for use in microwave systems
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Electronics.
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cavity resonator,
any enclosure in which waves of a given frequency will resonate, especially a metal chamber for reinforcing microwaves.
Useful english dictionary. 2012.