noun, noun or participle which takes 'suru'
etiolation
Botanical term for the yellowing and weakening of plants grown in darkness, characterized by elongated stems and lack of chlorophyll.
暗所で育てた苗は黄化してひょろひょろになった。
The seedlings grown in the dark became etiolated and spindly.
植物の黄化は光不足
Etiolation in plants is caused by insufficient light.