Keystone Key"stone`, n. (Arch.) The central or topmost stone of an arch. This in some styles is made different in size from the other voussoirs, or projects, or is decorated with carving. See Illust. of {Arch}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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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 — (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 — UK US /ˈkiːstəʊn/ noun [C] ► the most important part of a plan, idea, etc. on which everything else depends: »Selling overseas has been, and always will remain, one of the keystones of our national prosperity. »A keystone of its corporate… …   Financial and business terms

  • keystone — index cornerstone, foundation (basis), gist (ground for a suit), gravamen, main point, mainstay Burton s Legal Thesaurus. Will …   Law dictionary

  • keystone — ► NOUN 1) a central stone at the summit of an arch, locking the whole together. 2) the central principle or part of a policy or system …   English terms dictionary

  • keystone — [kē′stōn΄] n. 1. the central, topmost stone of an arch, popularly thought of as especially holding the others in place: see ARCH1 2. that one of a number of associated parts or things that supports or holds together the others; main part or… …   English World dictionary

  • Keystone — 34°05′10.37″N 118°15′34.80″O / 34.0862139, 118.2596667 …   Wikipédia en Français

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