(Science: instrument) A steel or magnesium-alloy instrument roughly resembling a two-pronged fork, the vibrations of the prongs of which, when struck, give a musical note of restricted band width; used to test the hearing and vibratory sensation.
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... response range of 16 Hz to 20 KHz, give or take. We can liken this to a tuning fork, or perhaps a better way to picture this is when a amplified tone generator connected ...
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