Audiometer
Nuttall's Standard Dictionary of the English Language · 1890 · p. 13
awd-e-om'-e-ter, s. a contrivance to test the sense of hearing (L.-, andGr. metron, a measure).
Bu kavram başka kaynaklarda da geçiyor
Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
Hawkins' Electrical Dictionary (1915)
The American Illustrated Medical Dictionary (1913)
Everybody's Encyclopedia (1912)
Chamber's Twientieth Century Dictionary (1908)
The American Dictionary and Cyclopedia (1907)
Chandler's Encyclopedia (1898)
The Student's Medical Dictionary (1896)
The Standart Electrical Dictionary (1892)
An Illustrated Encyclopaedic Medical Dictionary (1891)
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