skylight
/ˈskaɪˌlaɪt/ noun C2- A window, dome, or opening in the roof or ceiling, to admit natural light.
- 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.
- A hole in the upper part of a lava tube, yielding a view of the lava within.
- A region of flat, thin ice allowing a submarine to surface.
Plural skylights
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