Lexic.us

Definition of Etiolation

1. Noun. A pale and sickly appearance. "His etiolation signaled years in prison"

2. Noun. The act of weakening by stunting the growth or development of something. "The etiolation of the critical tradition"

3. 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

1. n. The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant.

Definition of Etiolation

1. Noun. (botany) growth process of plants grown in the absence of light, characterized by long, weak stems, fewer leaves and chlorosis ¹

2. Noun. (botany) The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant. ¹

3. Noun. Paleness produced by absence of light, or by disease. ¹

¹ Source: wiktionary.com

Definition of Etiolation

1. [n -S]

Medical Definition of Etiolation

1. Growth habit adopted by germinating seedlings in the dark. Involves rapid extension of shoot and/or hypocotyl and suppression of chlorophyll formation and leaf growth. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Etiolation

etic etidocaine etidronate etidronate disodium etidronic acid etilefrine etilefrine hydrochloride etimizol etio- etiocholanolone

etiogenic etiolate etiolated etiolates etiolating etiolation (current term) etiolations etiolin etiolins etiologic

etiological etiologically etiologics etiologies etiologist etiologists etiology etiopathic etiopathogeneses etiopathogenesis

Literary usage of Etiolation

Below you will find example usage of this term as found in modern and/or classical literature:

1. Lectures on Plant Physiology by Ludwig Jost (1907)
"etiolation is not limited to Monocotyledons and Dicotyledons ; it has been observed also in Gymnosperms, ferns, mosses, Algae, and Fungi. ..."

2. Practical Physiology of Plants by Francis Darwin, Edward Hamilton Acton (1909)
"8 etiolation proper can only be observed in parts of plants which have developed in the dark. The already formed chlorophyll may- become discoloured by ..."

3. Journal of the Royal Microscopical Society by Royal Microscopical Society, London (1882)
"Causes of the etiolation of Plants.*—E. Mer points out that the aquatic ... A comparison of these phenomena shows that etiolation is the result of a variety ..."

4. Journal of the Royal Horticultural Society by Royal Horticultural Society (Great Britain). (1896)
"The same thing is true of some other monocotyledons as well as of certain dicotyledons with radical leaves. These two types of etiolation will serve for a ..."

5. Manual of Plant Diseases by Paul Sorauer, Gustav Lindau, Ludwig Reh (1922)
"etiolation. The disease, which is produced by deficient illumination, or entire lack of light, is called etiolation ..."

6. Practical Plant Physiology: An Introduction to Original Research for by Wilhelm Detmer, S. A. (Samuel Albert) Moor (1898)
"The Causes of etiolation. It is a fact that many kinds of plants, when grown in absolute darkness, produce abnormally long stems and small leaves. ..."

7. Physiological Botany by George Lincoln Goodale (1885)
"etiolation. Green plants placed in darkness soon turn pale and become blanched or etiolated. The chlorophyll granules change their color, ..."

8. A Dictionary of Science, Literature, & Art: Comprising the Definitions and by William Thomas Brande, George William Cox (1867)
"... etiolation. That condition of a plant in which all the green colour is absent. Such a state is produced by want of light. ..."

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