'Etiolation' definitions:

Definition of 'etiolation'

From: WordNet
noun
A pale and sickly appearance; "his etiolation signaled years in prison"
noun
The act of weakening by stunting the growth or development of something; "the etiolation of the critical tradition"
noun
(botany) the act of causing a plant to develop without chlorophyll by growing it without exposure to sunlight; "the etiolation of celery"

Definition of 'Etiolation'

From: GCIDE
  • Etiolation \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. [1913 Webster]
  • 2. (Med.) Paleness produced by absence of light, or by disease. --Dunglison. [1913 Webster]