adjective see tropism

New Collegiate Dictionary. 2001.

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  • tropistic — trōˈpistik, tēk adjective Etymology: from tropism, after such pairs as English optimism : optimistic : of, relating to, or characteristic of tropism tropistic responses …   Useful english dictionary

  • tropistic — tro·pis·tic …   English syllables

  • tropic,tropistic — See tropism. * * * …   Universalium

  • tropism — noun Etymology: International Scientific Vocabulary tropism Date: 1899 1. a. involuntary orientation by an organism or one of its parts that involves turning or curving by movement or by differential growth and is a positive or negative response… …   New Collegiate Dictionary

  • tropistically — See tropic,tropistic. * * * …   Universalium

  • tropism — tropismatic /troh piz mat ik/, adj. tropistic /troh pis tik/, adj. /troh piz euhm/, n. Biol. an orientation of an organism to an external stimulus, as light, esp. by growth rather than by movement. [1895 1900; independent use of TROPISM] * * * ▪… …   Universalium

  • stimulus — stimulus, stimulant, excitant, incitement, impetus can all mean an agent that arouses a person or a lower organism or a particualr organ or tissue to activity. Only the first three words have definite and common technical use. Stimulus, in this… …   New Dictionary of Synonyms

  • tropism — /ˈtroʊpɪzəm / (say trohpizuhm) noun the response, usually an orientation, of a plant or animal, as in growth, to the influences of external stimuli. {separate use of tropism} –tropistic /troʊˈpɪstɪk/ (say troh pistik), adjective …   Australian English dictionary

  • tropism —   n. movement of an organism, especially direction of growth of plant, in response to a stimulus; innate inclination.    ♦ tropismatic,    ♦ tropistic, a …   Dictionary of difficult words

  • tropism — [trō′piz΄əm] n. [< TROPISM] the positive, or negative, attraction of a plant or sessile animal toward, or away from, a stimulus, as in the turning of a sunflower toward the light tropistic adj …   English World dictionary

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