pedon

pedon

[ped-n]
noun
a three-dimensional sample of a soil just large enough to show the characteristics of all its horizons.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
pedon   (pěd'ən)  Pronunciation Key 
The smallest unit or volume of soil that contains all the soil horizons of a particular soil type. It usually has a surface area of approximately 1 sq m (10.76 sq ft) and extends from the ground surface down to bedrock.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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