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Cupola

Architectural structure on top of a building

Summary

Architectural structure on top of a building

Cupolas on the towers of [[Montefiascone Cathedral]], Italy

In architecture, a cupola ( ) is a relatively small, usually dome-like structure on top of a building often crowning a larger roof or dome. Cupolas often serve as a roof lantern to admit light and air or as a lookout.

The word derives, via Italian, from lower Latin cupula (classical Latin cupella), (Latin cupa), indicating a vault resembling an upside-down cup.

The cylindrical drum underneath a larger cupola is called a tholobate.

Background

The cupola evolved during the Renaissance from the older oculus. Being weatherproof, the cupola was better suited to the wetter climates of northern Europe. The chhatri, seen in Indian architecture, fits the definition of a cupola when it is used atop a larger structure.

Cupolas often serve as a belfry, belvedere, or roof lantern above a main roof. In other cases they may crown a spire, tower, or turret. Barns often have cupolas for ventilation.

Cupolas can also appear as small buildings in their own right.

The square, dome-like segment of a North American railroad train caboose that contains the second-level or "angel" seats is also called a cupola.

File:White marble cupolas cap minarets at the Tomb of Jahangir.jpg|White marble cupolas cap minarets at the Tomb of Jahangir in Lahore, Pakistan File:Santa Maria del Fiore, Duomo.JPG|The dome of Florence Cathedral with a roof lantern at the top File:Cupola ceiling Synagogue Gyor Hungary.jpg|Interior of cupola ceiling in the old Synagogue of Győr, Hungary. File:Great Mosque Minaret - Kairouan, Tunisia.jpg|Ribbed cupola crowns the minaret of the Mosque of Uqba, in Kairouan, Tunisia. File:Cupola - Armenian Orthodox church in Lvov.jpg|Inside of Armenian Orthodox church cupola in Lviv, Ukraine. File:ISS STS130 Cupola view of Algeria coast.jpg|View from the interior of the Cupola module on the International Space Station. File:Brivio.church.cupola.jpg|Trompe-l'œil painting of a cupola in a church in Northern Italy (Brivio)

The turret of a Japanese Type 91 Ha-Go light tank with its distinctive, bubble-shaped commander's cupola

On armoured vehicles

The term cupola can also refer to the protrusions atop an armoured fighting vehicle due to their distinctive dome-like appearance. They allow crew or personnel to observe, offering very good all round vision, or even field weaponry, without being exposed to incoming fire. Later designs, however, became progressively flatter and less prominent as technology evolved to allow designers to reduce the profile of their vehicles.

Notes

References

{{cite Merriam-Webster. cupola
"Glossary of Architectural Terms - C". Archiseek: Online Architecture Resources.
{{cite American Heritage Dictionary. cupola
"Just what is a cupola anyway?". Cupola Consulting.
(17 March 2014). "What is a cupola and why do barns have them?".
Active Interest Media, Inc.. (November 1980). "Old-House Journal". Active Interest Media, Inc..
"Railroad Dictionary: A". [[CSX Transportation]].
Zabel, Darcy. (2005). "The (Underground) Railroad in African American Literature". Peter Lang.
(22 November 2015). "#15 Turrets: They are the Combat Power of the Tank".

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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