etiolate

[ee-tee-uh-leyt]

verb (used with object), e·ti·o·lat·ed, e·ti·o·lat·ing.

to cause (a plant) to whiten or grow pale by excluding light: to etiolate celery.
to cause to become weakened or sickly; drain of color or vigor.

verb (used without object), e·ti·o·lat·ed, e·ti·o·lat·ing.

(of plants) to whiten or grow pale through lack of light.

Nearby words

  1. ethynyl group,
  2. ethynylation,
  3. eti,
  4. etic,
  5. etidronate disodium,
  6. etiolation,
  7. etiologic,
  8. etiology,
  9. etiquette,
  10. etna

Origin of etiolate

1785–95; < French étioler to make pale, etiolate (plants), probably derivative, based on N French dial. forms, of standard French éteule, Old French estoble, estuble stubble; see -ate1

Related formse·ti·o·la·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for etiolation



British Dictionary definitions for etiolation

etiolate

verb

botany to whiten (a green plant) through lack of sunlight
to become or cause to become pale and weak, as from malnutrition
Derived Formsetiolation, noun

Word Origin for etiolate

C18: from French étioler to make pale, probably from Old French estuble straw, from Latin stipula

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for etiolation

etiolate

v.

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.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for etiolation

etiolation

[ē′tē-ə-lāshən]

n.

Paleness or pallor resulting from deprivation of light.
The process of blanching or making pale by withholding light.
Related formseti•o•late′ v.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for etiolation

etiolation

[ē′tē-ə-lāshən]

A pathological condition of plants that grow in places that provide insufficient light, as under stones. It is characterized by elongated stems and pale color due to lack of chlorophyll.
Related formsetiolate verb

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.