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Definition of Phototropic
1. a. Same as Heliotropic.
Definition of Phototropic
1. Adjective. Having a tendency to move in response to light. An animal or microbe that is positively phototropic will move toward light. One that is negatively phototropic will move away from light. ¹
¹ Source: wiktionary.com
Definition of Phototropic
1. [adj]
Medical Definition of Phototropic
1.
Lexicographical Neighbors of Phototropic
Literary usage of Phototropic
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, Robert John Harvey Gibson (1907)
"... or intensity of light, 471; liminal intensity, 473 ; latent period, 473 ;
quality of light, 474 ; immediate cause of phototropic activity, 474. ..."
2. Practical Text-book of Plant Physiology by Daniel Trembly Macdougal (1912)
"Critical Points in the phototropic Relations of Light to Plants. The intensity
of light necessary to constitute a stimulus varies enormously in different ..."
3. Science by American Association for the Advancement of Science (1903)
"The plants which proved most susceptible to phototropic influences were barley,
wheat and tobacco seedlings. The best, most positive and the quickest ..."
4. Science by American Association for the Advancement of Science (1903)
"The plants which proved most susceptible to phototropic influences were barley,
wheat and tobacco seedlings. The best, most positive and the quickest ..."
5. Chemical Abstracts by American Chemical Society (1915)
"736, 3008; heats of combustion of phototropic substances, 1144; temp, ... Padoa,
M., and Minganti, T. Velocity of reaction in phototropic transformations, ..."
6. Entomology, with Special Reference to Its Ecological Aspects by Justus Watson Folsom (1922)
"When both eyes are painted black all phototropic responses cease and the insect
flies upward. Butterflies with normal eyes liberated in a perfectly dark ..."
7. Experimental Morphology by Charles Benedict Davenport (1899)
"The retardation of geotropism by a previous photic stimulation occurs, however,
only in species which are much more phototropic than geotropic. ..."
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