etiolate
/ ˈiːtɪəuleɪt; ˋitɪəˏlet/
1 : to bleach and alter the natural development of (a green plant) by excluding sunlight.（植物）因缺乏日光而变白: an etiolated seedling 发黄的幼苗.
2 a : to make pale b : to deprive of natural vigor : make feeble 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. etiolation / ˏiːtɪəuˈleɪʃn; ˏitɪəˋleʃən/ n [U].
The bean plants that Grace grew for her lab project became weak and etiolated when they were kept in a dark closet for a week.
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