hydrotropism

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/haɪˈdrɒtrəˌpɪzəm/US:USA pronunciation: respellingUSA pronunciation: respelling(hī dro′trə piz′əm)


WordReference Random House Unabridged Dictionary of American English © 2026
hy•drot•ro•pism  (hī dro′trə piz′əm),USA pronunciation n. [Biol.]
  1. Biologyoriented growth in response to water.
  • hydro-1 + -tropism 1880–85

Collins Concise English Dictionary © HarperCollins Publishers::
hydrotropism /haɪˈdrɒtrəˌpɪzəm/ n
  1. the directional growth of plants in response to the stimulus of water

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