echard

[ek-hahrd]
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noun

the water in soil that is not available for absorption by plants.

Compare chresard.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for echard

echard

noun

water that is present in the soil but cannot be absorbed or otherwise utilized by plants

Word Origin for echard

C20: from Greek ekhein to hold back + ardein to water
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