decoloration

noun

1. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds.

verb (used with object)

1. to remove the color from; deprive of color; bleach.

noun

1. arrangement of colour and tones; colouring
2. the colouring or markings of insects, birds, etcSee also apatetic, aposematic, cryptic
3. unwanted extraneous variations in the frequency response of a loudspeaker or listening environment

n.

1620s, from French coloration (16c.), from Late Latin colorationem (nominative coloratio) “act or fact of coloring,” noun of action from past participle stem of Latin colorare “to color, to get tanned,” from color (see color (n.)).