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A water-excreting microscopic epidermal structure in many plants.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Botany) a pore in plants, esp on the leaves, specialized for excreting water
[C19: from Greek, from hudor water + hodos way]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a specialized leaf structure through which water is exuded.
[< German Hydathode (1894) < Greek hydat-, s. of hýdōr water + hodós way, path; compare -ode2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||hydathode - a pore that exudes water on the surface or margin of a leaf of higher plants|
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