PHONAUTOGRAPH
Etymology
Noun
phonautograph (plural phonautographs)
(historical) A device for recording sound vibrations in a visible form.
Source: Wiktionary
Pho*nau"to*graph, n. Etym: [Phono- + Gr. -graph.] (Physics)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
11 May 2024
FATIGUE
(noun) (always used with a modifier) boredom resulting from overexposure to something; “he was suffering from museum fatigue”; “after watching TV with her husband she had a bad case of football fatigue”; “the American public is experiencing scandal fatigue”; “political fatigue”
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