The Collaborative International Dictionary
Etiolation \E`ti*o*la"tion\, n.
The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant.
(Med.) Paleness produced by absence of light, or by disease.
--Dunglison.
Wiktionary
n. 1 (context botany English) growth process of plants grown in the absence of light, characterized by long, weak stems, fewer leaf and chlorosis 2 (context botany English) The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant. 3 pale produced by absence of light, or by disease.
WordNet
n. a pale and sickly appearance; "his etiolation signaled years in prison"
the act of weakening by stunting the growth or development of something; "the etiolation of the critical tradition"
(botany) the act of causing a plant to develop without chlorophyll by growing it without exposure to sunlight; "the etiolation of celery"
Wikipedia
Etiolation is a process in flowering plants grown in partial or complete absence of light. It is characterized by long, weak stems; smaller leaves due to longer internodes; and a pale yellow color ( chlorosis).
Usage examples of "etiolation".
She swayed in the rain as she re-experienced the killing etiolation of the previous day, all its pale delinquency.