etiolate
/ˈi:tɪəuleɪt; `itɪəˌlet/ v[Tn]
1 (botany 植) make (a plant) pale through lack of light 使（植物）因缺乏日光而变白
an etiolated seedling 发黄的幼苗.
2 (fml 文) cause (sb) to become pale and weak 使（某人）苍白衰弱
an etiolated adolescent 面黄肌瘦的少年
(fig 比喻) an etiolated society 颓废的社会.