/huy dro"treuh piz'euhm/, n. Biol.
oriented growth in response to water.
[1880-85; HYDRO-1 + -TROPISM]

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Universalium. 2010.

Look at other dictionaries:

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  • hydrotropism — noun Etymology: International Scientific Vocabulary Date: circa 1882 a tropism (as in plant roots) in which water or water vapor is the orienting factor • hydrotropic adjective …   New Collegiate Dictionary

  • hydrotropism — n. [Gr. hydor, water; tropos, turn] The response of an organism to water stimulus …   Dictionary of invertebrate zoology

  • hydrotropism — noun The movement of a plant (or other organism) either towards or away from water …   Wiktionary

  • hydrotropism — The property in growing organisms of turning toward a moist surface (positive h.) or away from a moist surface (negative h.). [hydro + G. tropos, a turning] * * * hy·dro·tro·pism hī drä trə .piz əm; .hī drə trō .piz əm, trä n a tropism in which… …   Medical dictionary

  • hydrotropism — n. tendency to turn toward or be influenced by moisture (Botany) …   English contemporary dictionary

  • hydrotropism — [hʌɪ drɒtrəpɪz(ə)m] noun Botany the growth or turning of plant roots towards moisture …   English new terms dictionary

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