Webster's Revised Unabridged Dictionary · 1913

Phthongometer

Phthongometer , noun

[Greek {not transcribed} voice + -meter.]

An instrument for measuring vocal sounds. — Whewell

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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