sonometer Meaning, Definition & Usage

  1. noun an instrument used to measure the sensitivity of hearing
    audiometer.

WordNet

So*nom"e*ter noun
Etymology
L. sonus a sound + -meter.
Definitions
  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.

Webster 1913