| sonometer |
audiometer: an instrument used to measure the sensitivity of hearing
출처: wordnet.princeton.edu/perl/webwn
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| sonometer |
A sonometer is an apparatus by which the transverse vibrations of strings can be studied. It is also called the monocord because it often has only one string. On the box are two fixed bridges, near the ends, and at one end is a pulley. A string, often a steel wire, is fastened at one end, run over the bridges and the pulley, and attached to a weight holder hanging below the pulley. ...
출처: en.wikipedia.org/wiki/Sonometer
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