achromasia

Từ điển WordNet v3.1 - WordNet Dictionary

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