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audiometer

audiometer An audiometer is an apparatus used in psychological hearing experiments to test sound sensitivity with a sound kept constant in itself while its loudness is changed by adjusting the size of openings through which it passes.

An audiometer is an apparatus used in psychological hearing experiments to test sound sensitivity with a sound kept constant in itself while its loudness is changed by adjusting the size of openings through which it passes. It serves to measure differences in hearing intensity.

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Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Laboratory (of psychology) and Apparatus” (Laboratory).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “audiometer.” Development preview.

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