noun Etymology: International Scientific Vocabulary Date: circa 1890 a tropism in which a temperature gradient determines the orientation

New Collegiate Dictionary. 2001.

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  • Thermotropism — Ther*mot ro*pism, n. [Thermo + Gr. ? to turn.] (Bot.) The phenomenon of turning towards a source of warmth, seen in the growing parts of some plants. [1913 Webster] …   The Collaborative International Dictionary of English

  • Thermotropism — or thermotropic movement is the movement of a plant or plant part in response to changes in temperature. A common example is the curling of Rhododendron leaves in response to cold temperatures.External links*… …   Wikipedia

  • thermotropism — [thər mä′trə piz΄əm] n. [ THERMO + TROPISM] Biol. any positive, or negative, movement or growth of a plant or sessile animal toward, or away from, a source of heat thermotropic [thʉr΄mə träp′ik] adj …   English World dictionary

  • thermotropism — termotropizmas statusas T sritis ekologija ir aplinkotyra apibrėžtis Išorinio šilumos dirgiklio sukeltas augalo dalių judesys aukštesnės (teigiamas termotropizmas) arba žemesnės (neigiamas termotropizmas) temperatūros kryptimi. atitikmenys: angl …   Ekologijos terminų aiškinamasis žodynas

  • thermotropism — thermotropic /therr meuh trop ik, troh pik/, adj. /theuhr mo treuh piz euhm/, n. Biol. oriented growth of an organism in response to heat. [1885 90; THERMO + TROPISM] * * * …   Universalium

  • thermotropism — noun Thermotropic movement of a plant or plant part in response to changes in temperature …   Wiktionary

  • thermotropism — The motion by a part of an organism ( e.g., leaves or stems) toward or away from a source of heat. Cf.:thermotaxis. [thermo + G. trope, a turning] * * * ther·mot·ro·pism (.)thər mä trə .piz əm n a tropism in which a temperature gradient… …   Medical dictionary

  • thermotropism — n. tendency to grow toward or away from a source of heat (Biology) …   English contemporary dictionary

  • thermotropism — [ˌθə:mə(ʊ) trəʊpɪz(ə)m] noun Biology the orientation of a plant or other organism in response to a source of heat. Derivatives thermotropic adjective …   English new terms dictionary

  • thermotropism — ther·mot·ro·pism …   English syllables

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