audiometer

[aw-dee-om-i-ter]
noun Medicine/Medical.
an instrument for gauging and recording acuity of hearing.
Also called sonometer.


Origin:
1875–80; audio- + -meter

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World English Dictionary
audiometer (ˌɔːdɪˈɒmɪtə)
 
n
an instrument for testing the intensity and frequency range of sound that is capable of detection by the human ear
 
audiometric
 
adj
 
audio'metrically
 
adv
 
audi'ometrist
 
n
 
audi'ometry
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

audiometer au·di·om·e·ter (ô'dē-ŏm'ĭ-tər)
n.
An electrical instrument for measuring the threshold of hearing for pure tones of normally audible frequencies generally varying from 200 to 8000 hertz and recorded in decibels.


au'di·o·met'ric (-ō-mět'rĭk) adj.
au'di·o·me·tri'cian (-ō-mə-trĭsh'ən) n.
au'di·om'e·try n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
To test air conduction, you wear earphones attached to the audiometer.
Each audiometer must be serviced and calibrated yearly.
Tests noise level and audio quality, using audiometer.
Audiometer records include graphs of audiometric frequencies.
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