- phototropism
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/foh to"treuh piz'euhm, foh'toh troh"piz euhm/, n. Bot.phototropic tendency or growth.[1895-1900; PHOTO- + -TROPISM]
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Universalium. 2010.
phototropism
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Phototropism — is directional growth in which the direction of growth is determined by the direction of the light source. In other words, it is the growth and response to a light stimulus. Phototropism is most often observed in plants, but can also occur in… … Wikipedia
Phototropism — Pho*tot ro*pism, n. [Photo + Gr. ? to turn.] 1. (Plant Physiol.) The tendency of growing plant organs to move or curve under the influence of light. In ordinary use the term is practically synonymous with {heliotropism}. [Webster 1913 Suppl.] 2.… … The Collaborative International Dictionary of English
phototropism — 1899, from Ger. phototropie (1892), from PHOTO (Cf. photo ) + TROPISM (Cf. tropism) … Etymology dictionary
phototropism — ► NOUN Biology ▪ the orientation of a plant or other organism either towards or away from a source of light. DERIVATIVES phototropic adjective … English terms dictionary
phototropism — [fō tä′trə piz΄əm] n. [ PHOTO + TROPISM] any positive, or negative, movement of a part of a plant toward, or away from, light sources: see HELIOTROPISM phototropic [fōt΄ō träp′ik] adj … English World dictionary
phototropism — Movement or growth of part of an organism (eg. a plant shoot) towards (positive phototropism) a source of light, without overall movement of the whole organism … Dictionary of molecular biology
phototropism — fototropizmas statusas T sritis ekologija ir aplinkotyra apibrėžtis Vienašalės šviesos sukeltas augalo dalių judėjimas šviesos šaltinio link, nuo jo arba padedantis užimti skersinę padėtį šviesos spindulių krypties atžvilgiu. atitikmenys: angl.… … Ekologijos terminų aiškinamasis žodynas
phototropism — fototropizmas statusas T sritis augalininkystė apibrėžtis Augalų linkimas į vienpusio apšvietimo šaltinį. atitikmenys: angl. phototropism rus. фототропизм ryšiai: sinonimas – šviesolinka … Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas
phototropism — noun Etymology: International Scientific Vocabulary Date: 1899 a tropism in which light is the orienting stimulus … New Collegiate Dictionary
phototropism — n. [Gr. phos, light; tropos, turn] Movement determined by the direction of incident light; photropic adj … Dictionary of invertebrate zoology
