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hydathode

[hahy-duh-thohd]
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noun Botany.
  1. a specialized leaf structure through which water is exuded.
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Origin of hydathode

< German Hydathode (1894) < Greek hydat-, stem of hýdōr water + hodós way, path; cf. -ode2, cathode
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for hydathode

hydathode

noun
  1. a pore in plants, esp on the leaves, specialized for excreting water
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Word Origin

C19: from Greek, from hudor water + hodos way
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012