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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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Ottawa Citizen

Ottawa Citizen
Fri, 31 Oct 2014 11:56:10 -0700

Similar design elements in both medieval Hospitaller churches and Pinhey's church include the pyramid roofed square tower and these Middle Eastern “ogee” arches. These special and complex arches used by the Hospitallers reflect a Middle Eastern ...
 
D Magazine
Tue, 18 Nov 2014 12:26:15 -0800

This Ogee-patterned screen is handmade and will add a contemporary touch to your hearth. Save: The Maso Three-Panel Fire Screen. This groovy fireplace is wrought iron with an antique gold finish. The triple-hinge style will protect your two- and four ...

Waterloo Record

Waterloo Record
Tue, 18 Nov 2014 12:37:30 -0800

Whether you prefer straight lines, bevels or the traditional elegance of an S-shaped Ogee, we offer a range of edging styles to suit your décor. For a more personalized look, consider a custom or patterned inlay. Custom shapes. Make a statement with a ...

The Tennessean

The Tennessean
Fri, 07 Nov 2014 10:56:15 -0800

An English Gothic ogee arch frames a Juliet balcony in the two-story family room. The Gothic shape is repeated in the window treatment over the soaking tub of the master bathroom. Built in 2005, the house is listed by Linda Seaton of Benchmark Realty ...

ArtfixDaily

ArtfixDaily
Mon, 17 Nov 2014 13:33:45 -0800

... bold denticulated cornice over raised-panel doors and rope-turned or gadrooned columns while the lower section shows a blocked reverse-serpentine front over a gadrooned skirt which matches the uppercase quarter columns on bold ogee bracket feet.

HydroWorld

HydroWorld
Tue, 28 Oct 2014 07:38:01 -0700

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Fri, 07 Nov 2014 12:17:27 -0800

... two-prong agenda, it seems: expose the rhyming wizard that was Starang Wonder to the world, and highlight a slightly softer, but still gully production style from members of the Beatminerz collective — Baby Paul, E-Swift, Lord Jamar, and DJ Ogee ...
 
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Sun, 16 Feb 2014 00:11:50 -0800

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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