foxing ☜☞ foxing (oxidación)

Foxing refers specifically to a reddish-brown, small circular stain, probably from minute pieces of iron in paper that has been attacked by mildew or mold. Larger, more-irregularly shaped brown stains may be caused by mold growing on the paper, due to poor storage conditions. [CB]

see also: stains / discoloration
  • An example of minor foxing; manicules point to a few of the many foxing 'spots' on the paper.

    Las tramas de Garulla

    [CUNY Queens College]