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Definition of Heliotropism
1. Noun. An orienting response to the sun.
Definition of Heliotropism
1. n. The phenomenon of turning toward the light, seen in many leaves and flowers.
Definition of Heliotropism
1. Noun. The property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light) ¹
¹ Source: wiktionary.com
Definition of Heliotropism
1. [n -S]
Medical Definition of Heliotropism
1.
Lexicographical Neighbors of Heliotropism
Literary usage of Heliotropism
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)
"There are many analogies between geotropism and heliotropism, of which the
following are the chief:— 1. Just as geotropic curvature arises only from the ..."
2. Forced Movements, Tropisms, and Animal Conduct by Jacques Loeb (1918)
"CHAPTER XII CHANGE IN THE SENSE OF heliotropism WE have stated that while in a
positively heliotropic animal a one-sided illumination increases the tension ..."
3. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1894)
"I cannot find in the literature of heliotropism that any experiments have hitherto
... Accordingly I have conducted an extensive research on heliotropism, ..."
4. Text-book of Botany, Morphological and Physical by Julius Sachs (1882)
"The degree of intensity at which heliotropism ceases corresponds, doubtless, to
the intensity at which the plant no longer reacts by growth ; an intensity ..."
5. The Dynamics of Living Matter by Jacques Loeb (1906)
"LECTURE VII heliotropism i. THE heliotropism OF SESSILE ORGANISMS MACHINES which
are constructed artificially are arranged in such a manner that the energy ..."
6. Studies in General Physiology by Jacques Loeb (1905)
"II FURTHER INVESTIGATIONS ON THE heliotropism OF ANIMALS AND ITS IDENTITY ...
I showed that the law put forward by Sachs for the heliotropism of plants, ..."
7. A Laboratory Course in Plant Physiology: Especially as a Basis for Ecology by William Francis Ganong (1901)
"When Geotropism and heliotropism act together but in different directions upon a
... For experiments upon heliotropism in adult shoots, Tropaeolum, ..."
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