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  2. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet is a multi-national American company that provides tools for studying and learning. [1] Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [ 2 ] and released to the public in January 2007. [ 3 ]

  3. Spindletop - Wikipedia

    en.wikipedia.org/wiki/Spindletop

    The Spindletop dome was derived from the Louann Salt evaporite layer of the Jurassic geologic period. [2] On January 10, 1901, a well at Spindletop struck oil ("came in"). The Spindletop gusher blew for 9 days at a rate estimated at 100,000 barrels (16,000 m 3 ) of oil per day. [ 3 ]

  4. Tholos (architecture) - Wikipedia

    en.wikipedia.org/wiki/Tholos_(architecture)

    A tholos (pl.: tholoi; from Ancient Greek θόλος, meaning "conical roof" [1] or "dome"), in Latin tholus (pl.: tholi), is a form of building that was widely used in the classical world. It is a round structure with a circular wall and a roof, usually built upon a couple of steps (a podium), and often with a ring of columns supporting a ...

  5. Dome - Wikipedia

    en.wikipedia.org/wiki/Dome

    A dome (from Latin domus) is an architectural element similar to the hollow upper half of a sphere. There is significant overlap with the term cupola, which may also refer to a dome or a structure on top of a dome. The precise definition of a dome has been a matter of controversy and there are a wide variety of forms and specialized terms to ...

  6. Pendentive - Wikipedia

    en.wikipedia.org/wiki/Pendentive

    In architecture, a pendentive is a constructional device permitting the placing of a circular dome over a square room or of an elliptical dome over a rectangular room. [1] The pendentives, which are triangular segments of a sphere, taper to points at the bottom and spread at the top to establish the continuous circular or elliptical base needed for a dome. [2]

  7. Spherical cap - Wikipedia

    en.wikipedia.org/wiki/Spherical_cap

    In geometry, a spherical cap or spherical dome is a portion of a sphere or of a ball cut off by a plane. It is also a spherical segment of one base, i.e., bounded by a single plane. If the plane passes through the center of the sphere (forming a great circle ), so that the height of the cap is equal to the radius of the sphere, the spherical ...

  8. Dome (geology) - Wikipedia

    en.wikipedia.org/wiki/Dome_(geology)

    A dome is a feature in structural geology where a circular part of the Earth's surface has been pushed upward, tilting the pre-existing layers of earth away from the center. In technical terms, it consists of symmetrical anticlines that intersect each other at their respective apices .

  9. List of largest domes - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_domes

    A dome is a self-supporting structural element of architecture that resembles the hollow upper half of a sphere. Every dome in the world which was the largest-diameter dome of its time is listed. Notes: Each structure is only described in detail once (the appearance closest to the top of the page), even if it appears on multiple lists.