Rayleigh disc

См. также в других словарях:

• Rayleigh disc — /rāˈlē disk/ noun A small light disc hung by a fine thread at an angle to a progressive sound wave, its deflection being used to measure the intensity of the sound ORIGIN: Ety as for ↑Rayleigh criterion …   Useful english dictionary

• Rayleigh disc — /ˈreɪli dɪsk/ (say raylee disk) noun a small disc hung by a fine thread in the path of a soundwave so that the extent to which the disc is deflected is a measure of the intensity of the soundwave. {See Rayleigh criterion} …  

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