sonometer
弦音計,檢音計,聽力計
So·nom·e·ter n.
1. Physiol. An instrument for exhibiting the transverse vibrations of cords, and ascertaining the relations between musical notes. It consists of a cord stretched by weight along a box, and divided into different lengths at pleasure by a bridge, the place of which is determined by a scale on the face of the box.
2. An instrument for testing the hearing capacity.
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sonometer
n : an instrument used to measure the sensitivity of hearing
[syn: audiometer]