- turning or growing toward the light.
Origin of heliotropic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heliotropic
This heliotropic sensitiveness lasts only as long as they are not fed.Darwin and Modern Science
A.C. Seward and Others
This reflex process agrees in every point with the heliotropic effects of light on plant organs.Introduction to the Science of Sociology
Robert E. Park
We must therefore conclude that the heliotropic curvature of the polyps is determined by a photochemical action of the light.
The eyes of this heliotropic machine consist of two lenses in whose focus is situated the retina consisting of selenium wire.
Heliotropic reactions play a great rle in the preservation of individuals as well as of species.
- The growth or movement of a fixed organism, especially a plant, toward or away from sunlight. Heliotropism can be easily seen in sunflowers, which slowly turn their large flowers so that they continually face the sun.
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