patination


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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.
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References in periodicals archive ?
Using traditional hand skills and thermal patination, Martyn constructed the remaining components, finally assembling and finishing this finely engineered piece.
Based on stylistic convention and degree of patination, it is reasonable to postulate that the 'fat-tailed macropod' and thylacine engravings predate the 'small tool' phase, and that the totemic affiliation (Ancestral Kangaroo) of Jarunginginya may have its origin in the depictions of the 'fat-tailed macropod'.
Be mingling crowd flowed into the den, where a russet-hued, faux-antique finish on the mantel and paneling around the fireplace received an extra soupcon of patination one year: "My husband and son decided the evergreen garland over the fireplace was dried out, so they just stuffed it into the fire," recalls McVey.
Avoiding direct imitation, stone has been used as a departure point for a number of the designs; the mineral deposits found along the Devon coastline inspired the subtle patination of Starcross, while the inland rock of England's south-west strongly influenced Hartland.
A patination process involves the use of powder coatings with computer-controlled lasers to produce predetermined grain, texture or design effects on wood or wood-based materials.
Traditionally, patination is defined as the process of using oxidizing chemicals to color the bronze.
(13) Aside from some small differences in decorative patterns, only the color of the surface patination distinguishes one piece from another.
Red denoted ochre and blue, mineral precipitation and patination. Any organic matter, such as lichen, rock tripe and moss encroachment, was recorded using a green felt tip pen, while a black felt tip pen recorded cracks and fissures on the rock surface (ibid.).
The back is constructed of thick buffalo rawhide, virtually black in color, with a wonderfully glossy, crackled patination. The front and back sections are stitched together by means of sinew.
Patination, then, is a form of beautification obtained through time.
Caley in Hart, The Plate of Brass Reexamined, 32-33, commented on the artificial patination.