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[ih-daf-ik] /ɪˈdæf ɪk/
related to or caused by particular soil conditions, as of texture or drainage, rather than by physiographic or climatic factors.
Origin of edaphic
< German edaphisch (1898); see edaphon, -ic
Related forms
edaphically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for edaphic


of or relating to the physical and chemical conditions of the soil, esp in relation to the plant and animal life it supports Compare biotic (sense 2)
Derived Forms
edaphically, adverb
Word Origin
C20: from Greek edaphos bottom, soil
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
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edaphic in Science
  1. Relating to soil, especially as it affects living organisms. Edaphic characteristics include such factors as water content, acidity, aeration, and the availability of nutrients.

  2. Influenced by factors inherent in the soil rather than by climatic factors.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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