dipleidoscopes

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A form of dipleidoscope — An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's centre is on the meridian.

Scrabble 22
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Meanings

noun
  1. pluralplural of dipleidoscope
Cite this entry
APA

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

MLA

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

Chicago

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

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