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of plants, "grown in darkness," 1791, from French étiolé, past participle of étioler "to blanch" (17c.), perhaps literally "to become like straw," from Norman dialect étule "a stalk," Old French esteule "straw, field of stubble," from Latin stipula "straw." Related: Etiolated.
etiolation e·ti·o·la·tion (ē'tē-ə-lā'shən)
Paleness or pallor resulting from deprivation of light.
The process of blanching or making pale by withholding light.