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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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115 news items

 
San Jose Mercury News
Thu, 28 Aug 2014 15:07:30 -0700

KEY LOSSES: LB Taylor Disbrow; OL/DL Sam Ogee; DL Everett Powell; TE/DL Corbin Cofer. OUTLOOK: The young Cowboys will surely learn keep their fans on the edge of their seats with exciting playmakers. They have just two returning starters on defense ...
 
Curbed NY
Tue, 26 Aug 2014 10:53:44 -0700

No man is an island, but New York basically is. Really. The Bronx is the only borough connected to mainland America. The four floating boroughs aren't alone amid NYC's waterways, however—they are joined by dozens of other land masses. The more ...

Maine Antique Digest

Maine Antique Digest
Thu, 28 Aug 2014 11:45:00 -0700

American furniture dealers were glad to see James Grievo pay $2925 for a diminutive Philadelphia chest of drawers with quarter columns, ogee bracket feet, and original brasses. (They noted that furniture prices at the Briggs sale in Chester County the ...
 
Tulsa World
Sat, 23 Aug 2014 16:31:45 -0700

The dam consists of an ogee weir (the rounded part of the dam), two gate sections on the east side of the dame and one on the west side. These gates are hydraulically operated and constructed of structural steel which was coated for corrosion ...
 
Journal Press - King George
Wed, 20 Aug 2014 08:17:28 -0700

This mahogany chest belongs to a Northern Neck family, who purchased it from an antiques shop many years ago. The secondary wood is oak, and the hardware and finish are original. The owner thinks that the ogee bracket feet are also original. All of the ...
 
KIMA CBS 29
Wed, 20 Aug 2014 18:49:20 -0700

YAKIMA, Wash. -- Parking in downtown Yakima is one of those thorns city leaders are trying desperately to solve. It is the key hurdle for creating a workable downtown plaza. KIMA reports new talks will focus on short-term recommendations from the city ...
 
Hometownlife.com
Mon, 18 Aug 2014 16:03:45 -0700

Curt and Rosemarie Ollikainen of Farmington Hills, brought their babies —Yorkshire terriers in a double buggy. Kim Miller had in tow her mix breed, D'ogee, while Marilyn Southern of Detroit was taking a breather with her shih tzu, seven-year-old ...
 
San Jose Mercury News
Thu, 21 Aug 2014 00:29:01 -0700

YESTERDAY'S WORD -- GENOCIDE geed gene genic genie geode geoid gone edge encode need nice niece node ogee once cede ceding code codeine coding coed coin cone iced icon deice deign dice dine ding dingo dogie doing done donee dong Did ...
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