Glossary of Soil Science Terms


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This Glossary of Soil Science Terms was an ad hoc committee of the Soil Science of America to provide a single glossary of terms for the various disciplines of soil science. Thanks are expressed to the many members of the society who have aided in the development of this glossary over the years.

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Tables, Figures & Appendix

  • Table 1. Terms for describing consistence (rupture resistance) of blocklike specimens - PDF
  • Table 2. Pore size classification - PDF
  • Table 3. Classification of rock fragments - PDF
  • Table 4. Shapes and size classes of soil structure - PDF
  • Table 5. Soil water terminology - PDF
  • Figure 1. Graph showing the percentage of sand, silt, and clay in the soil texture classes - PDF
  • View the appendix

Revision of Glossary of Soil Science Terms

Please note that the glossary is going through a major revision. Please check back for the updated version.