Skylight

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skylight

[′skī‚līt]
(astrophysics)
(engineering)
An opening in a roof or ship deck that is covered with glass or plastic and designed to admit daylight.

Skylight

An opening in a roof which is glazed with a transparent or translucent material used to admit natural or diffused light to the space below.

Skylight

 

(1) A usually round or polygonal structure with large window openings, situated atop a cupola or other type of roof and designed to provide illumination of the structure.

(2) A glassed-in section of a roof, designed to provide overhead illumination.

(3) A roof section in an industrial building, usually in the form of a superstructure with openings, designed to provide natural illumination and/or ventilation of the premises. Most skylights are rectangular in shape, but trapezoidal, gabled, triangular, and other designs are also used. Those providing illumination only or both illumination and ventilation feature casements with single or double windowpanes. If the skylight is not intended to provide ventilation, the casements are usually not designed to be opened; otherwise, remote-control mechanisms are used to open and close the casements. In addition to conventional skylight designs, commercial buildings are often equipped with overhead, chimney-like structures, the upper openings of which are approximately flush with the roof. This type of skylight has a support section mounted on a roofing slab or beam and a transparent or translucent cover in the form of a panel, dome, or arch. The cover may be made of plate or shaped glass, poly methyl methacrylate (organic glass), insulation glass units, or polyester fiber glass. Ventilation skylights are used mainly in buildings where considerable amounts of heat, gas, and dust are generated. They are usually equipped with wind-protection panels and sheet-steel casements that open and close.

REFERENCES

Drozdov, V. A. Fonari i okna promyshlennykh zdanii. Moscow, 1972.
Konstruktsii promyshlennykh zdanii. Edited by A. N. Popov. Moscow, 1972.

IU. P. ALEKSANDROV

skylight

skylight
In a roof, an opening which is glazed with a transparent or translucent material; used to admit diffused light to the space below. Compare with dome light. Also see hip skylight, lantern skylight, monitor skylight, pitched skylight, sawtooth skylight.
References in classic literature ?
For Billy Jackson was shining down on her, calm and bright and constant through the skylight.
Evidently the ambulance doctor was familiar with the location of skylight rooms.
What he could see then was only, close to the long chair on which she reclined, a pair of long, thin legs ending in black cloth boots tucked in close to the skylight seat.
The thought leaped through me like the fire leaping out of the shattered skylight.
Below, Lee Goom and Toyama were lowering skylight covers and screwing up deadeyes.
The fat man cast his eyes round, and then up at the open skylight.
Department of Energy has documented that there isn't a more cost effective solar energy saving option than utilizing high performance skylights with active daylighting controls in industrial/commercial building applications.
This Mill report by Abdul Wahab, Senior Sales Engineer at Shan Associates highlights how Kohinoor has increased the efficency of its weaving shed by reducing their electric load with Prismatic Skylights.
The court heard that there were 80 fragile skylights on the roof where the team was working but the company had failed to put covers on the skylights nearest to where scaffolding was being taken apart.
Carries the complete line of VELUX skylights, including SUN TUNNEL skylights, and accessories.
The library was ordered to shut after workmen discovered that the skylights in the 100-year-old building were unsafe.
The discovery of the skylight is very significant because there are to date only eight skylights discovered in this area of Mars--the Evergreen students' cave being one of them," says program director Sheri Klug Boonstra.