helioscopes

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A form of helioscope — An apparatus for viewing the Sun without harming the eye, by means of an optical filter that attenuates most of the sunlight while allowing only a small amount of the solar radiation.

Scrabble 18
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Meanings

noun
  1. pluralplural of helioscope
Cite this entry
APA

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

MLA

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

Chicago

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

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