opeidoscopes

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A form of opeidoscope — An instrument, consisting of a tube with one end open and the other end covered with a thin flexible membrane with a mirror attached to its centre, used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds that enter the tube.

Scrabble 19

Meanings

noun
  1. pluralplural of opeidoscope
Cite this entry
APA

opeidoscopes. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/opeidoscopes

MLA

“opeidoscopes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/opeidoscopes. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “opeidoscopes,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/opeidoscopes.

Source: opeidoscopes on Wiktionary, CC BY-SA 4.0.