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For the cartoon character named "Ogee", see Magilla Gorilla.
Not to be confused with Ogive.
An ogee-arched doorway in Pirna, Germany
Component pieces of ogee arch
Ogee molding and its shadow pattern.

An ogee (/ˈ/ or /ˈ/) is a curve (often used in molding), shaped somewhat like an S, consisting of two arcs that curve in opposite senses, so that the ends are parallel. It is a kind of sigmoid curve.

The term has uses in architecture, mathematics, and fluid mechanics, as well as marine construction, clock design and plastic surgery.

Use in architecture[edit]

Ogee arch[edit]

In architecture, the principal use of the term is to describe an arch composed of two ogees, mirrored left-to-right and meeting at an apex.[1] Ogee arches were a feature of English Gothic architecture in the later thirteenth century.[2]

Moldings[edit]

A building's surface detailing (indoors or out) may have a molding with an ogee-shaped profile, consisting (going from low to high) of a concave arc flowing into a convex arc, with vertical ends; if the lower curve is convex and higher one concave, this is known as a Roman ogee, although frequently the terms are used as if they are interchangeable and for a variety of other shapes. Alternative names for such a true Roman ogee molding include cyma reversa and talon.[3]

The cyma reversa form occurs in antiquity. For example, in ancient Persia, the Tomb of Cyrus featured the cyma reversa.[4] The cyma reversa is also evident in ancient Greek architecture.[5] The ogee shape is one of the characteristics of the Gothic style of architecture, especially decorative elements in the 14th and 15th century late Gothic styles called Flamboyant in France and Decorated in England. Ogee windows and arches were introduced to European cities from the Middle East. The ogee curve is an analogue of a "cyma curve", the difference being that a cyma has horizontal rather than vertical ends.

The ogee and Roman ogee profiles are used in decorative molding, often framed between moldings with a square section. As such it is part of the standard classical decorative vocabulary, adopted from architrave and cornice moldings of the Ionic order and Corinthian order. An ogee is also often used in the "crown molding" frequently found at the top of a piece of case furniture, or for capping a baseboard or plinth, or where a wall meets the ceiling. An ogee molding may be run in plaster or wood, or cut in stone or brickwork.

Other uses[edit]

Ogee clock, framed with ogee molding.

Ogee is also a mathematical term, meaning an inflection point.

In fluid mechanics, the term is used for an ogee-shaped aerodynamic profile. For example, a wing may have ogee profile, particularly on supersonic aircraft such as the Concorde. Also, the downstream face of a dam spillway is usually formed in an ogee curve to minimize water pressure.

An "ogee washer" is a heavy washer with a large bearing surface used in marine timber construction to prevent bolt heads or nuts from sinking into the face of timbers. The term ogee is used due to the ogee shape in radial symmetry around the center. Due to the size and shape, they are generally manufactured as a cast iron product in accordance with ASTM A47 or A48.

An "ogee clock" is a common kind of weight-driven 19th-century pendulum clock in a simplified Gothic taste, made in the United States for a mantelpiece or to sit upon a wall bracket. It is rectangular, with ogee-profile molding that frames a central glass door that protects the clock face and the pendulum. The door usually carries a painted scene in the area beneath the face. Ogee clocks are one of the most commonly encountered varieties of American antique clocks.

In aesthetic facial surgery, the term is used to describe the malar or cheekbone prominence transitioning into the mid-cheek hollow. The aim of a mid-face rejuvenation is to restore the ogee curve and enhance the cheekbones. This enhancement is also commonly a part of a routine facelift.

In distillation, an ogee is the bubble-shaped chamber of a pot still that connects the swan neck to the pot. It allows distillate to expand, condense, and fall back into the pot.

See also[edit]

References and sources[edit]

References
  1. ^ Davies, Nikolas; Jokiniemi, Erkki (2011). Architect's Illustrated Pocket Dictionary. Oxford, England: Architectural Press. p. 318. ISBN 978-0-08-096537-6. 
  2. ^ Honour, H. and J. Fleming, (2009) A World History of Art. 7th edn. London: Laurence King Publishing, p. 391. ISBN 9781856695848
  3. ^ Parker, John Henry (1850). A glossary of terms used in Grecian, Roman, Italian, and Gothic Architecture 1. London: David Bogue. p. 159. OCLC 719426. Cyma recta…which is hollow in the upper part, and round in the lower; and Cyma reversa, (Talon…) which is hollow in the lower part and round in the upper. 
  4. ^ C.Michael Hogan (2008) Tomb of Cyrus, The Megalithic Portal, ed. A.[page needed]
  5. ^ W.B.Dinsmoor, 1973[page needed]
Sources
  • William Bell Dinsmoor and William James Anderson (1973) The architecture of ancient Greece: an account of its historic development, Biblo & Tannen Publishers, 424 pages ISBN 0-8196-0283-3.
  • C.Michael Hogan (2008) Tomb of Cyrus, The Megalithic Portal, ed. A.
  • The Art of Distilling Whiskey, By Bill Owens And Alan Dikty, 2009. Page 26

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Ogee — Please support Wikipedia.
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Mon, 08 Dec 2014 12:26:15 -0800

Lauren Marie Ogee, 33, passed away on Friday November 21, 2014 in Oceanside, California. She was born August 18, 1981, in Torrance California, the daughter of Alicia Ogee and Todd Ogee. Lauren grew up in Vista, California. She enjoyed playing softball ...

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Wed, 17 Dec 2014 09:31:34 -0800

Here's a blast from the past: the former Syms store at 42 Trinity Place—once described as "comically depressing"—is being shopped around as a development site that could potentially birth the FXFOWLE-designed tower rendered above. But no matter what ...

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Wed, 03 Dec 2014 06:59:52 -0800

The developer who has owned the beleaguered condo building at 807 Park Avenue since 2004, with nary a tenant, has decided the best way to fix the jinxed building's problem is to raze it. Last night, Aion presented the Landmarks Preservation Commission ...

The Guardian

The Guardian
Mon, 01 Dec 2014 21:30:13 -0800

The current weir forms an elegant ogee across the river, and after years of dereliction has been restored in a laudable community project. There is talk of harnessing the river's power again, this time for electricity, since the leat or “goit” still ...

Waterloo Record

Waterloo Record
Fri, 12 Dec 2014 00:42:36 -0800

They have been collected for many years, and a knowledgeable buyer would describe this example as having an opaque gauze core with a pair of heavy spiral opaque twist threads and an ogee-shaped bowl. Your perfect, well-proportioned glass is worth a ...

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Sun, 07 Dec 2014 01:00:00 -0800

The foyer features a decorative mosaic flooring inset detail that is mirrored in the ogee pattern on a shimmery silver finished chest. Above the chest, two brushed silver framed shadow boxes display sea forms. Overhead, a Foucault orb chandelier ...

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Tue, 02 Dec 2014 14:30:00 -0800

Grand Marshal Justus Sheffield, Gatorade National Baseball Player of the year, will lead 102 vehicles, floats and walking groups as they travel north along Jackson Street from Lauderdale Street to the Tullahoma High School parking lot Friday at the ...

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A Massachusetts Chippendale oxbow mahogany chest (30¼" x 33" x 19¼") with four graduated drawers, blocked ends, and applied ogee feet had a dramatic overhanging top and sold for $10,200 on the phone. It came from the Hurd family of Milton, ...
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