alphosis

alphosis

(ælˈfəʊsɪs)
n
(Pathology) pathol absence of skin pigmentation, as in albinism
[C19: from New Latin, from Greek alphos leprosy]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014