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[hahy-dro-truh-piz-uh m] /haɪˈdrɒ trəˌpɪz əm/

noun, Biology.
oriented growth in response to water.
the directional growth of plants in response to the stimulus of water

hydrotropism hy·drot·ro·pism (hī-drŏt’rə-pĭz’əm)
Growth or movement in a sessile organism toward or away from water.
The growth or movement of a fixed organism, especially a plant, or a part of an organism toward or away from water. Roots often display hydrotropism in growing towards a water source.

hydrotropic adjective (hī’drə-trō’pĭk, hī’drə-trŏp’ĭk)


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  • Hydrous

    [hahy-druh s] /ˈhaɪ drəs/ adjective 1. containing water. 2. Chemistry. containing water or its elements in some kind of union, as in hydrates or hydroxides. /ˈhaɪdrəs/ adjective 1. containing water 2. (of a chemical compound) combined with water molecules: hydrous copper sulphate, CuSO4.5H2O hydrous (hī’drəs) Containing water.

  • Hydrovane

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    hydrovarium hy·dro·var·i·um (hī’drō-vâr’ē-əm) n. The accumulation of fluid in the ovary.

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