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Medical Definition of Heterophonia
1. 1. The change of voice at puberty. 2. Any abnormality in the voice sounds. Synonym: heterophthongia. Origin: hetero-+ G. Phone, voice (05 Mar 2000)
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1. 1. The change of voice at puberty. 2. Any abnormality in the voice sounds. Synonym: heterophthongia. Origin: hetero-+ G. Phone, voice (05 Mar 2000)