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skylight noun

  /ˈskaɪˌlaɪt/
  • (architecture) A window, dome, or opening in the roof or ceiling, to admit natural light.
 kattoikkuna, kattokupu, kattovalokupu, valoaukko
  • (physics) Diffuse sky radiation—solar radiation reaching the earth's surface after having been scattered from the direct solar beam by molecules or suspensoids in the atmosphere.
 auringon hajasäteily
  • (volcanology) A hole in the upper part of a lava tube, yielding a view of the lava within.
 laavatunnelin aukko
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