1. 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 formse·daph·i·cal·ly, adverb
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Examples from the Web for edaphic

Historical Examples of edaphic

British Dictionary definitions for edaphic


  1. of or relating to the physical and chemical conditions of the soil, esp in relation to the plant and animal life it supportsCompare biotic (def. 2)
Derived Formsedaphically, adverb

Word Origin for edaphic

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

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.