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phoneidoscope

Phoneidoscope is a 13 letter word which starts with the letter P and ends with the letter E for which we found 1 definitions.

Definition
(n.) An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across the end of which is stretched a film of soap solution thin enough to give colored bands the form and position of which are affected by sonorous vibrations.
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