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1. serving to amplify sound.
cochlear microphonic any of the electrical potentials generated in the hair cells of the organ of Corti in response to acoustic stimulation.
coch·lear mic·ro·phonic(kok'lē-ar mī-krō-fon'ik),
bioelectric potentials produced by the hair cells of the organ of Corti in response to sound that faithfully represent the frequency and intensity of the acoustic stimulation.