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Definition of phonautograph

The word phonautograph uses 13 letters: a, a, g, h, h, n, o, o, p, p, r, t, u

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Meanings of phonautograph

n. - An instrument by means of which a sound can be made to produce a visible trace or record of itself. It consists essentially of a resonant vessel, usually of paraboloidal form, closed at one end by a flexible membrane. A stylus attached to some point of the membrane records the movements of the latter, as it vibrates, upon a moving cylinder or plate.

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