[ hahy-druh-trop-ik, -troh-pik ]
/ ˌhaɪ drəˈtrɒp ɪk, -ˈtroʊ pɪk /


Biology. turning or tending in a particular direction with reference to moisture.

Origin of hydrotropic

First recorded in 1915–20; hydro-1 + -tropic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for hydrotropic


[ hī-drŏtrə-pĭz′əm ]

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.

Related forms

hydrotropic adjective (hī′drə-trōpĭk, hī′drə-trŏpĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.