Biology. turning or tending in a particular direction with reference to moisture.
- hydrothermal vent,
Origin of hydrotropic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.
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