
1) Artistic technique
Found on
https://www.crosswordclues.com/clue/burnishing
[metal] Burnishing is the plastic deformation of a surface due to sliding contact with another object. Visually, burnishing smears the texture of a rough surface and makes it shinier. Burnishing may occur on any sliding surface if the contact stress locally exceeds the yield strength of the material. ==Mechanics== To understand burnishing, ...
Found on
http://en.wikipedia.org/wiki/Burnishing_(metal)
[pottery] Burnishing is a form of pottery treatment in which the surface of the pot is polished, using a hard smooth surface such as a wooden or bone spatula, smooth stones, plastic, or even glass bulbs, while it still is in a leathery `green` state, i.e., before firing. After firing, the surface is extremely shiny. Often the whole outer su...
Found on
http://en.wikipedia.org/wiki/Burnishing_(pottery)

• (p. pr. & vb. n.) of Burnish
Found on
http://thinkexist.com/dictionary/meaning/burnishing/

Rubbing a surface with stone or a hard implement condensing the surface and creating a reflective surface. In gilding, rubbing the clay and/gold surface with a hound's tooth, agate or hematite stone. Burnishing a water-gilt surface produces the most reflective gold surface possible. Burnishing is often employed selectively to enhance decoration by ...
Found on
http://www.antiquerestorers.com/Articles/GOLD/GLOSSARY2.html

(from the article `pottery`) When the clay used in early pottery was exceptionally fine, it was sometimes polished or burnished after firing. Such potterydating back to 6500 and ...
Found on
http://www.britannica.com/eb/a-z/b/132

A method of engraving on metal that allows for wider line widths than diamond engraving without having to rout deeply into the material. It is a surface technique generally done on coated metals such as lacquered brass. A faceted, rotating tool called a burnisher removes the lacquer coating and exposes the bare metal.
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http://www.encyclo.co.uk/local/20829

Shiny or lustrous spots on a paint surface caused by rubbing.
Found on
http://www.encyclo.co.uk/local/21452

Shiny areas on a painted surface achieved by rubbing or washing the surface.
Found on
http://www.encyclo.co.uk/local/22428

The act of rubbing greenware (clay) with any smooth tool to polish it, and tighten the surface.
Found on
http://www.modernsculpture.com/glossary.htm

During the process of burnishing, leather hard or bone dry greenware is polished using a smooth object. Each potter has a personal preference of what they will use: some favour pebbles, seaglass or even the back of a spoon, whilst others will use a rubber kidney. This process creates a polished, glossy surface that may be more resistant to water ab...
Found on
https://ggclayworks.com/blog/pottery-glossary/

Developing a smooth finish on a metal by tumbling or rubbing with a polished hand tool.
Found on
https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

Smoothing surfaces through friction between the material and material such as hardened metal media.
Found on
https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

Polishing leather hard clay by rubbing with a smooth stone or back of a spoon etc.
Found on
https://walkerceramics.com.au/resources/glossary-of-ceramic-terms/

The surface polishing seals the outside of the vessel and makes it smooth to touch. This is usually achieved with a hard river pebble or metal spoon.
Found on
https://www.bathpotters.co.uk/helpful-guides/94-pottery-glossary

Polishing by friction. In woodturning this is usually carried out by holding a handful of shavings against the revolving workpiece. The shavings should come from the work being burnished.
Found on
https://www.encyclo.co.uk/local/20198

The process of finishing a metal surface by contact with another harder metal to improve it. To make smooth or glossy by or as if by rubbing; polish.
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https://www.encyclo.co.uk/local/20687

The technique whereby gold or silver is brought to a high finish by rubbing the surface with a hard smooth object such as agate or other hardstone, a dog's tooth (presumably removed from the dog) or very high grade steel.
Found on
https://www.encyclo.co.uk/local/21090

Shiny or lustrous spots on a paint surface caused by rubbing.
Found on
https://www.encyclo.co.uk/local/21303

Creating a polished finish on paper by rubbing with stone or hand smoothing a surface.
Found on
https://www.encyclo.co.uk/local/22539

The ancient rubbing process of burnishing polishes the outside skin of a clay pot while greatly reducing its porosity. This finishing is done by hand, using a stone or a metal piece which is usually embedded in a wad of wet clay that perfectly fits the burnisher's hand.
Found on
https://www.jnevins.com/glossary.htm

A process by which leatherhard or blackhard clay is made smooth by rubbing it with a hard smooth object like a stone, spoon or piece of glass. This procedure gives the piece a polished look. Burnished pots are usually unglazed but sometimes fine slips are applied to add to the decorating. Burnishing not only adds a glossy surface, it also contribut...
Found on
https://www.lakesidepottery.com/HTML%20Text/Tips/A%20pottery%20glossary.htm

Developing a smooth finish on a metal by tumbling or rubbing with a polished hand tool.
Found on
https://www.metaltek.com/resources/glossary/

Smoothing surfaces through friction between the material and material such as hardened metal media.
Found on
https://www.unifiedalloys.com/resources/glossary/
No exact match found.