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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 moulding and its shadow pattern.

An ogee (/ˈ/ or /ˈ/) is a curve (often used in moulding), 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]

Moulding[edit]

A building's surface detailing (indoors or out) may have a moulding 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 moulding 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 moulding, often framed between mouldings with a square section. As such it is part of the standard classical decorative vocabulary, adopted from architrave and cornice mouldings of the Ionic order and Corinthian order. An ogee is also often used in the "crown moulding" 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 moulding may be run in plaster or wood, or cut in stone or brickwork.

Other uses[edit]

Ogee clock, framed with ogee moulding.

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 centre. 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 moulding 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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Wed, 29 Jul 2015 03:18:45 -0700

The finely crafted clock with three original brass eagle finials, a line-inlaid hood door, waisted case with brass-inlaid quarter columns, and original ogee bracket feet opened at $20,000 and sold to a phone bidder for $59,000 (est. $30,000/50,000 ...
 
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Wed, 15 Jul 2015 04:26:15 -0700

During the quarter, 25 holes totaling 3,630 feet were completed in the Otto, Ogee, and Adams Peak zones. Work in the Otto resulted in the definition of gold mineralization in the central and southern portions of the ore zone. This work provided infill ...
 
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Mon, 20 Jul 2015 03:52:22 -0700

Project scope included: the construction of a new ogee spillway structure on top of the existing crest structure; an apron slab at the downstream toe of the ogee; abutment slabs on the left and right sides of the crest structure and a sub-surface ...

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Mon, 08 Dec 2014 12:27:00 -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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After traveling abroad, turn your new home into a first class cabin with our Pottery Barn picks. Your last summer before college was probably full of adventures and friends that sparked the travel bug within you. Because the switch to college life can ...
 
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Fri, 24 Jul 2015 07:37:30 -0700

Palaces, mosques, mausoleums and public works with gracefully curved ogee arches and intricate stone jalis were constructed to show the pomp and splendour of a provincial capital. Architecture, stone-cutting and weaving reached unparalleled levels of ...
 
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Sun, 13 Jan 2013 13:56:15 -0800

Ogee is a term that refers to the molding that surrounds the very rectangular case. This molding is basically an "S" curve with two arches running parallel to one another. It was a popular molding design in the 19th century, but the term also has been ...
 
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LIVERMORE -- Ogee Saltus Ze Zahrabske, who prefers to go simply by "Ogee," brought home an impressive prize from the 138th Westminster Kennel Club Show in New York on Tuesday. The 4-year-old standard schnauzer was chosen as Best of Breed.
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