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Pronunciation: hi'dro-tro'pizm, hi-drot'ro-pizm

Definition: The property in growing organisms of turning toward a moist surface (positive hydrotropism) or away from a moist surface (negative hydrotropism).

[hydro- + G. tropos, a turning]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.