etiolation
青白化,黃化,蒼白化
eti·o·la·tion /ˌɪtɪəˈleʃən/ 名詞
黃化(現象)
E·ti·o·la·tion n.
1. The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant.
2. Med. Paleness produced by absence of light, or by disease.
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etiolation
n 1: a pale and sickly appearance; "his etiolation signaled years
in prison"
2: the act of weakening by stunting the growth or development
of something; "the etiolation of the critical tradition"
3: (botany) the act of causing a plant to develop without
chlorophyll by growing it without exposure to sunlight;
"the etiolation of celery"