Akademik

achromasia
noun
unnatural lack of color in the skin (as from bruising or sickness or emotional distress)
Syn:
lividness, ↑lividity, ↑luridness, ↑paleness, ↑pallidness, ↑pallor, ↑wanness
Derivationally related forms:
wan (for: ↑wanness), ↑pale (for: ↑pallor), ↑pallid (for: ↑pallidness), ↑pale (for: ↑paleness), ↑lurid (for: ↑luridness), ↑livid (for: ↑lividity), ↑livid (for: ↑lividness)
Hypernyms: ↑complexion, ↑skin color, ↑skin colour

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\\|ākrōˈmāzh(ē)ə, ˌak-\ noun (-s)
Etymology: New Latin, from a- (II) + -chromasia
1. : achromia
2. of cells or tissues : loss of the usual reaction to stains

Useful english dictionary. 2012.