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The movement or growth of an organism toward or away from heat.

ther′mo·tro′pic (thûr′mə-trōp′pĭk) adj.


(Botany) the directional growth of a plant in response to the stimulus of heat
ˌthermoˈtropic adj


(θərˈmɒ trəˌpɪz əm)

oriented growth of an organism in response to heat.
ther•mo•trop•ic (ˌθɜr məˈtrɒp ɪk, -ˈtroʊ pɪk) adj.


the tendency in some plant species to turn toward or away from a source of heat. — thermotropic, thermotropical, adj.
See also: Plants
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thermotropism - an orienting response to warmth
tropism - an involuntary orienting response; positive or negative reaction to a stimulus source
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References in periodicals archive ?
Two important terms to be familiar with when exploring the literature on temperature effects in plants are thermotropism, which is the plant's response to temperature, and thermoperiodism, which is the plant's response to changes in day and night temperature.
Thermotropism is the plant's response to changes in day and night temperatures.
A Osmosis B Phyllotaxis C Photosynthesis D Thermotropism