thermotropism

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ther·mot·ro·pism

T0160300 (thər-mŏt′rə-pĭz′əm)n. The movement or growth of an organism toward or away from heat.

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

thermotropism

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

ther•mot•ro•pism

(θərˈmɒ trəˌpɪz əm)

n. oriented growth of an organism in response to heat. [1885–90] ther•mo•trop•ic (ˌθɜr məˈtrɒp ɪk, -ˈtroʊ pɪk) adj.

thermotropism

the tendency in some plant species to turn toward or away from a source of heat. — thermotropic, thermotropical, adj.See also: Plants

Thesaurus

Noun

thermotropism - an orienting response to warmthtropism - an involuntary orienting response; positive or negative reaction to a stimulus source

Thermotropism

in plants, the bending of growing parts, such as the stems or root tips, in response to a heat stimulus. Thermotropism may be observed by placing rootlets in moist sawdust between two vessels—one filled with cold water and one with warm water. Up to a certain temperature the rootlets bend in the direction of the warmer vessel (positive thermotropism); above that temperature they bend toward the cooler vessel (negative thermotropism).

thermotropism

[ther-mot´ro-pizm] tropism in response to an increase in temperature. adj., adj thermotrop´ic.

ther·mot·ro·pism

(ther-mot'rō-pizm), The motion by a part of an organism (for example, leaves or stems) toward or away from a source of heat. Compare: thermotaxis. [thermo- + G. tropē, a turning]

thermotropism

(thər-mŏt′rə-pĭz′əm)n. The movement or growth of an organism toward or away from heat.

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

ther·mot·ro·pism

(thĕr-mot'rō-pizm) The motion by a part of an organism (e.g., leaves or stems) toward or away from a source of heat.
Compare: thermotaxis[thermo- + G. tropē, a turning]

thermotropism

curvature in plants which results from reaction to temperature stimuli.

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Words related to thermotropism

noun an orienting response to warmth

Related Words