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geotropism
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geotropism — GEOTROPÍSM s.n. însuşire a organelor unor plante sau a unor plante de a creşte cu o anumită orientare faţă de verticala locului, sub influenţa gravitaţiei. [pr.: ge o ] – Din fr. géotropisme. Trimis de gall, 13.09.2007. Sursa: DEX 98 geotropísm … Dicționar Român
Geotropism — Ge*ot ro*pism, n. [Gr. ge a, gh^, the earth + ? to turn.] (Biol.) A disposition to turn or incline towards the earth; the influence of gravity in determining the direction of growth of an organ. [1913 Webster] Note: In plants, organs which grow… … The Collaborative International Dictionary of English
geotropism — 1874, from Ger. Geotropismus, from GEO (Cf. geo ) + Gk. trope (see TROPE (Cf. trope)). Coined in 1868 by German botanist Albert Bernhard Frank (1839 1900). Related: Geotropic … Etymology dictionary
geotropism — [jē ä′trə piz΄əm] n. [ GEO + TROPISM] any positive (or negative) movement or growth of a plant or sessile animal in response to (or against) the force of gravity geotropic [jē΄ō träp′ik] adj … English World dictionary
geotropism — /dʒiˈɒtrəpɪzəm/ (say jee otruhpizuhm) noun a tropism occurring in response to gravitation, as the direction of growth of plants or the ability of some animals to avoid an upside down position in the air. See negative geotropism, positive… …
geotropism — n. plant growth in relation to gravity. Phrases and idioms: negative geotropism the tendency of stems etc. to grow away from the centre of the earth. positive geotropism the tendency of roots to grow towards the centre of the earth. Derivatives:… … Useful english dictionary
geotropism — geotropizmas statusas T sritis ekologija ir aplinkotyra apibrėžtis Žemės traukos jėgos sukeltas augalų dalių judėjimas. Yra neigiamas (priešingas Žemės traukos jėgai – augimas aukštyn – pagrindinio stiebo augimas) ir teigiamas (augimas žemyn –… … Ekologijos terminų aiškinamasis žodynas
geotropism — noun Etymology: International Scientific Vocabulary Date: 1875 a tropism (as of plant roots) in which gravity is the orienting factor … New Collegiate Dictionary
geotropism — n. [Gr. ge, earth; tropos, turn] Movement determined by the direction of gravitational force. geotropic a; see tropism … Dictionary of invertebrate zoology
geotropism — See gravitropism … Dictionary of molecular biology
geotropism — /jee o treuh piz euhm/, n. Biol. oriented growth with respect to the force of gravity. [1870 75; GEO + TROPISM] * * * … Universalium
