Word.ws English Dictionary

helioscope

helioscope noun: 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.

Noun

helioscope (plural helioscopes)

  1. 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.

Forms of helioscope

pluralhelioscopes

Origin of helioscope

From helio- + -scope.

Words formed from helioscope

Questions about helioscope

What does helioscope mean?
Helioscope means 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.
What part of speech is helioscope?
Helioscope is a noun.
What is the plural of helioscope?
The plural of helioscope is helioscopes.

Words near helioscope in the dictionary

  1. heliorhodopsin
  2. heliorhodopsins
  3. heliornithid
  4. heliornithids
  5. helios
  6. helioscope
  7. helioscopes
  8. helioscopic
  9. helioscopin
  10. helioscopy
  11. helioseismic

Source and license

Adapted from Wiktionary: helioscope (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-helioscope.wav.

Cite this entry: “helioscope.” Word.ws, https://word.ws/helioscope. Based on Wiktionary, CC BY-SA 4.0.