phototactic

phototactic
pho·to·tac·tic .fōt-ō-'tak-tik adj of, relating to, or exhibiting phototaxis
pho·to·tac·ti·cal·ly -ti-kə-lē adv

Medical dictionary. 2011.

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  • Phototactic — Phototaxis Pho to*tax is, Phototaxy Pho to*tax y, n. [NL. phototaxis; photo + Gr. ? an arranging.] (Biol.) The influence of light on the movements of low organisms, as various infusorians, the zo[ o]spores of certain alg[ae], etc.; also, the… …   The Collaborative International Dictionary of English

  • phototactic — adjective Etymology: International Scientific Vocabulary Date: 1882 of, relating to, or exhibiting phototaxis • phototactically adverb …   New Collegiate Dictionary

  • phototactic — See phototaxis. * * * …   Universalium

  • phototactic — adjective of, or related to phototaxis …   Wiktionary

  • phototactic — adj. pertaining to phototaxis, of movement in response to light (Biology) …   English contemporary dictionary

  • phototactic — pho·to·tac·tic …   English syllables

  • phototactic — …   Useful english dictionary

  • phototaxis — phototactic /foh teuh tak tik/, adj. phototactically, adv. /foh teuh tak sis/, n. Biol. movement of an organism toward or away from a source of light. Also, phototaxy. [1900 05; PHOTO + TAXIS] * * * …   Universalium

  • Grethe Rytter Hasle — Grethe Berit Rytter Hasle, née le 3 janvier 1920, à Borre (Norvège) est une planctologiste norvégienne et professeur de biologie et de botanique marine[1]. Alors qu elle a été l une des premières femmes professeur de sciences naturelles à l… …   Wikipédia en Français

  • Chloroplast — Chlo ro*plast, n. [Pref. chloro + Gr. ? to mold, form.] (Biol.) A plastid containing chlorophyll, developed only in cells exposed to the light. Chloroplasts are minute flattened granules, usually occurring in great numbers in the cytoplasm near… …   The Collaborative International Dictionary of English

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