'achromasia' definitions:

Definition of 'achromasia'

(from WordNet)
noun
Unnatural lack of color in the skin (as from bruising or sickness or emotional distress) [syn: lividness, lividity, luridness, paleness, pallidness, pallor, wanness, achromasia]

Synonyms of 'achromasia'

From: Moby Thesaurus