Etiolation meaning

ē'tē-ə-lā'shən
(botany) Growth process of plants grown in the absence of light, characterized by long, weak stems, fewer leaves and chlorosis.
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(botany) The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant.
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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.
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Paleness produced by absence of light, or by disease.

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Origin of etiolation

  • From French étiolé, past participle of étioler "to blanch"
    From Wiktionary

Etiolation Sentence Examples

  • It may be due to insufficient illumination (Etiolation), as seen in geraniums kept in too shaded a situation, and is then accompanied by soft tissues, elongation of internodes, leaves usually reduced in size, &c. The laying of wheat is a particular case.

  • False etiolation may occur from too low a temperature, often seen in young wheat in cold springs.

  • This unhealthy state is frequently combined with etiolation: what is termed rankness is a particular case, and if the factors concerned are removed by drainage, weeding out, free transpiration, &c., no permanent harm may result.

  • Pflanzenkrankheiten, the Gardeners Chronicle, &c. Etiolation, &c.Pfeffer, Physiology of Plants, and other works on physiology.

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Words near etiolation in the Dictionary