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hydrotropic

[hahy-druh-trop-ik, -troh-pik]
adjective
  1. Biology. turning or tending in a particular direction with reference to moisture.
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Origin of hydrotropic

First recorded in 1915–20; hydro-1 + -tropic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

hydrotropic in Science

hydrotropism

[hī-drŏtrə-pĭz′əm]
  1. 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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Related formshydrotropic adjective (hī′drə-trōpĭk, hī′drə-trŏpĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.