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(Electronics) electronics a conducting surface enclosing a space in which an oscillating electromagnetic field can be maintained, the dimensions of the cavity determining the resonant frequency of the oscillations. It is used in microwave devices for frequencies exceeding 300 megahertz. Also called: resonant cavity or rhumbatron
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|Noun||1.||cavity resonator - a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves|
chamber - a natural or artificial enclosed space