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asonia

asonia Asonia is a historical term for tone deafness: a hearing defect in which a person does not hear sounds of certain pitches even though lower or higher tones may still be heard.

Asonia is a historical term for tone deafness: a hearing defect in which a person does not hear sounds of certain pitches even though lower or higher tones may still be heard. It refers specifically to a defect of pitch hearing rather than to total deafness.

Also see

Sources

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

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