phoneidoscope

Sinhala Dictionary definitions for phoneidoscope

phoneidoscope 🔊

phoneidoscope : ධ්වනි තත්වේක්ෂය

phoneidoscope definition

Noun. 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.