The Collaborative International Dictionary
Decoloration
Decoloration \De*col`or*a"tion\
(d[-e]*k[u^]l`[~e]r*[=a]"sh[u^]n), n. [L. decoloratio: cf. F.
d['e]coloration.]
The removal or absence of color.
--Ferrand.
Wiktionary
decoloration
n. (alternative spelling of decolouration English)