0 present participle of fox --
1 to confuse someone or be too difficult to be understood by someone: --
2 to deceive someone in a clever way --
These contaminants often acted as catalysts for oxidation that have been implicated in foxing.
Foxing also occurs in biological study skins or specimens, as an effect of chemical reactions or mold on melanin.
Acid from the papermaking process can cause the pages to develop brown spots, called "foxing"; gradually turn brown, called "tanning"; and ultimately crumble.
Metallic inclusions in the paper can also oxidize which may be the cause of foxing in paper materials.
Prints may have stains, foxing, wormholes, tears, creases, or dogmarks, the colours may have faded, or they may have been retouched.
Although unsightly and a negative factor in the value of the paper item for collectors, foxing does not affect the actual integrity of the paper.
All page restoration is done at this point, be it the removal of foxing, ink stains, page tears, etc.
The validity of subspecies needs to be verified using freshly caught birds and/or molecular data, as specimens are prone to foxing quickly.
