patina

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patina

(păt`ənə), coating of carbonate of copper on articles of copper or bronze, formed after long exposure to a moist atmosphere or burial in the earth. Although commonly green, patina varies in color and consistency; it may be red, brown, black, blue, or gray, or it may be smooth, glossy, or crusty. It may be imitated by a number of oxidation processes. The term has been extended to include the film formed on metals, pottery, marble, and other materials by exposure and to the mellow surface acquired by furniture with time and waxing.

Patina

A greenish-brown crust produced by oxidation that forms on the surface of copper and bronze, often multicolored and considered decorative; any thin oxide film which forms on a metal or other material.

Patina

 

a film ranging from green to cinnamon in color that forms on the surface of copper, bronze, and brass articles. A patina results from the natural corrosion of the metal or from patination—that is, heating or processing with oxidizing agents. A patina formed by the latter method is used to protect works of art and for decorative purposes. Roman artists were the first to recognize patina as a sign of beauty through aging. The term “patination” is also used to designate the process whereby articles not made from copper alloys, for example, plaster-of-paris sculptures, are tinted bronze.

patina

[′pat·ən·ə or pə′tē·nə]
(geology)
A thin, colored film produced on a rock surface by weathering.
(metallurgy)
The greenish product, usually basic copper sulfate, formed on copper and copper-rich alloys as a result of prolonged atmospheric corrosion.

patina, patination

1. A greenish brown crust which forms on bronze.
2. Any thin oxide film which forms on a metal; often multicolored.
3. A film, similar in color, which forms on a material other than metal.
4. Such effects artificially induced, or imitated.
5. A green coating on the surface of copper or copper alloys that have been exposed to the atmosphere for a long time.

patina

1
a film of oxide formed on the surface of a metal, esp the green oxidation of bronze or copper

patina

2
a broad shallow dish used in ancient Rome
References in periodicals archive ?
On the wine bar, Vetrazzo's Alehouse Amber patinated slab, made of 85 percent recycled glass (including wine bottles), wipes up with soap and water.
It is assumed that this was done after the copper had naturally patinated and stained the white dome and the tower tops beneath them, caused by the run-off.
The 2008 CAMIE Awards will be celebrating "Character And Morality In Entertainment," and in contrast to the disturbingly androgynous and probably bisexual Oscar, the CAMIE statuette is clad in a wholesome dress that leaves everything to the imagination except a beguiling flash of patinated bronze ankle.
Whether cast or fabricated, patinated metals and scorched wood are the frequently featured materials in Stratman's free-standing and wall-mounted sculptures.
This conclusion is based on the few instances in which the underlying pecking is partially preserved: all show that the unpatinated abradings are superimposed over fully patinated peckings.
At about the same time, he began to work on small sculptures, some patinated and others brightly painted.
Today we tend to keep silver polished, but some former societies certainly tolerated patinated silver: quattrocento Florence, judging by the silverware in a banquet by Botticelli; medieval and later Russia; even the V&A until around 1920.
Classic details include two-piece mortared clay roof tiles, exposed rafter tails, wood lintels, hewn columns, stone walls, and patinated stucco.
A visitor is captivated first by the diminutive sculpture in patinated plaster cast of Madonna and Child (1987) by Montreal sculptress, Sylvia Daoust.
And he does so with signature panache and intelligence, creating a flawless narrative architecture, the surreal clarity of a town dreamed by Magritte, an unsettling mixture of horror and beauty, and a subtle yet pervasive sense of trespass, his narrative precinct always sheathed beneath a gentle patinated paranoia where final answers lie around the next comer, up the next flight of stairs, and where every one of us is implicated in the spectacular horrorshow called the late twentieth century.
Call the look worn, aged or patinated, it's at the top of most upholstery fabric buyers' lists for next week's Showtime fabric market here.
The elegant master bathrooms, with walls, floors and vanity tops fashioned from slabs of Calacatta Gold marble complemented by patinated brass fixtures, are evocative of a grand European hotel.