Acoumeter
The American Dictionary and Cyclopedia · 1907 · p. 2
[Gr. akovein, to hear, and metron, measure.) An instrument for measuring the degree or extent of hearing.
Bu kavram başka kaynaklarda da geçiyor
Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
Hawkins' Electrical Dictionary (1915)
The American Dictionary and Cyclopedia (1910)
The Nurse's Dictionary of Medical Terms and Nursing Treatment (1909)
An Illustrated Encyclopaedic Medical Dictionary (1891)
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