etiolation


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etiolation

 [e″te-o-la´shun]
1. blanching or paleness of a plant grown in the dark due to lack of chlorophyll.
2. the process by which the skin becomes pale when deprived of sunlight.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

e·ti·o·la·tion

(ē'tē-ō-lā'shŭn),
1. Paleness or pallor resulting from absence of light, as in persons confined because of illness or imprisonment, or in plants bleached by being deprived of light.
2. The process of blanching, bleaching, or making pale by withholding light.
[Fr. étioler, to blanch]
Farlex Partner Medical Dictionary © Farlex 2012

e·ti·o·la·tion

(ē'tē-ō-lā'shŭn)
1. Pallor resulting from absence of light, as in people confined because of illness or imprisonment, or in plants bleached by being deprived of light.
2. The process of blanching, bleaching, or making pale by withholding light.
[Fr. étioler, to blanch]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

etiolation

the range of symptoms developed by plants when grown in the dark. Examples include: pale yellow or white colour due to lack of chlorophyll, long internodes, small and rudimentary leaves, poor development of lignified tissue.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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References in periodicals archive ?
Philosophical discussions of colour are at an impasse due to the etiolation of the naturalistic doctrines of subjectivism and objectivism.
Diameter growth of yellow birch was indeed strongly related to soil resource congruence, but height growth was not, perhaps because of variation due to etiolation in low light conditions and to browsing by snowshoe hares.
By finding even Locke's limited fire wall too high (too intolerant, too limiting on human aspirations for individuality), later liberal thinkers hastened the etiolation of the liberal principle of toleration.(19) So rather than condemn that principle simply, for a difficulty that was on its horizon only as a theoretical matter when it was originally conceived, we might give thought to how it can be fortified against its new antagonist.
In addition, none of the more than 2000 seedlings showed obvious developmental abnormalities, such as etiolation, as might be expected from the exposure of recessive deleterious genes.
A proper planning for nursery time and field planting is required otherwise shading caused by the proximity of plants can cause the etiolation of seedlings if their ideal planting stage is exceeded.
The height of the plant was not affected by the shading in the initial stage of development of the crop, and this may be related to the fact that, although there is less production of carbohydrates and dry matter, there is an increase in the plant etiolation when its growth occurs under certain conditions.
(2014), who evaluated the agronomic performance of different common bean cultivars in monocropping, in soil with the same classification as the one of the present study, and obtained lower values for plant height (63.36 cm) compared with the ones of the present study, indicating that competition between crops in the intercropping system did not cause aggressive etiolation in the plants.
An overwhelming criticism of the architects and neuroscientists at work in this burgeoning field is the last century's etiolation of a rich and complicated field to simple dimensions, lost in the intellectualized formal experiments of Modernism, Postmodernism, Deconstructivism, and other varieties of prestige architecture.
This caused lower crop growth and etiolation due to shading effect, which led to a decrease in the number of leaves (Ameri et al., 2008).