English edit

Oculus in ceiling of the Pantheon in Rome (Italy) (sense 1)

Etymology edit

From sky +‎ light.

Pronunciation edit

  • IPA(key): /ˈskaɪˌlaɪt/
  • (file)
  • Hyphenation: sky‧light

Noun edit

skylight (plural skylights)

  1. (architecture) A window, dome, or opening in the roof or ceiling, to admit natural light.
    Synonym: oculus
  2. (physics) Diffuse sky radiationsolar radiation reaching the earth's surface after having been scattered from the direct solar beam by molecules or suspensoids in the atmosphere.
  3. (volcanology) A hole in the upper part of a lava tube, yielding a view of the lava within.
  4. A region of flat, thin ice allowing a submarine to surface.

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