An instrument for measuring or automatically recording the intensity of sound.
单词 | θ76713 |
释义 | the world > matter > physics > science of sound > sound-waves > [noun] > instrument measuring number or pressure (4) phonometer1823 An instrument for measuring or automatically recording the intensity of sound. pistonphone1922 a device for producing known sound pressures by means of a vibrating piston whose motion is precisely measured, used mainly for calibrating… probe microphone1945 a very small microphone which operates without significantly disturbing the sound waves as they pass, used esp. in making precise measurements of… probe mike1976 = probe microphone n. |
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