keystone

   The central and highest stone (voussoirs) in an arch. It cannot fall out of place because it is wedge-shaped, with the widest part of the wedge at the top. It is the last stone to be set in place during the construction of an arch. By pressing equally on either side it holds the arch together.

Glossary of Art Terms. 2014.

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  • Keystone — may refer to:* Keystone (architecture), the piece at the apex of an arch or vault * The Keystone effect, caused by projecting an image onto a surface at an angle, or by photography at an angle * Keystone correction for these types of… …   Wikipedia

  • Keystone — ist die englische Bezeichnung für den Schlussstein der Name verschiedener Orte in den Vereinigten Staaten: Keystone (Colorado) Keystone (Florida) Keystone (Indiana) Keystone (Iowa) Keystone (South Dakota) Keystone (West Virginia) Keystone… …   Deutsch Wikipedia

  • Keystone — Keystone, CO U.S. Census Designated Place in Colorado Population (2000): 825 Housing Units (2000): 2606 Land area (2000): 40.636910 sq. miles (105.249108 sq. km) Water area (2000): 0.006514 sq. miles (0.016872 sq. km) Total area (2000): 40.643424 …   StarDict's U.S. Gazetteer Places

  • Keystone NK — Role Biplane trainer National origin United States Manufacturer Keystone Aircraft First flight 1928 Introduction 1930 Primary user United States Navy …   Wikipedia

  • Keystone B-4A — Keystone B 4 Keystone B 4 …   Wikipédia en Français

  • keystone — (n.) stone in the middle of an arch, which holds up the others, 1630s, from KEY (Cf. key) (n.1) in figurative sense of that which holds together other parts + STONE (Cf. stone). Figurative sense is from 1640s. Pennsylvania was called the Keystone …   Etymology dictionary

  • Keystone — ☆ Keystone [kē′stōn΄ ] adj. [after Keystone Comedy Co., the film producers] designating, of, or like the slapstick comedy of a series of silent films featuring a bungling, inept squad of policemen (Keystone Kops or Keystone Cops) in wild chases,… …   English World dictionary

  • Keystone, CO — U.S. Census Designated Place in Colorado Population (2000): 825 Housing Units (2000): 2606 Land area (2000): 40.636910 sq. miles (105.249108 sq. km) Water area (2000): 0.006514 sq. miles (0.016872 sq. km) Total area (2000): 40.643424 sq. miles… …   StarDict's U.S. Gazetteer Places

  • Keystone, FL — U.S. Census Designated Place in Florida Population (2000): 14627 Housing Units (2000): 5709 Land area (2000): 36.078818 sq. miles (93.443706 sq. km) Water area (2000): 3.164101 sq. miles (8.194984 sq. km) Total area (2000): 39.242919 sq. miles… …   StarDict's U.S. Gazetteer Places

  • Keystone, IA — U.S. city in Iowa Population (2000): 687 Housing Units (2000): 281 Land area (2000): 0.370289 sq. miles (0.959043 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.370289 sq. miles (0.959043 sq. km) FIPS code:… …   StarDict's U.S. Gazetteer Places

  • Keystone, SD — U.S. town in South Dakota Population (2000): 311 Housing Units (2000): 209 Land area (2000): 2.864807 sq. miles (7.419816 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.864807 sq. miles (7.419816 sq. km) FIPS …   StarDict's U.S. Gazetteer Places

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