Hyper Dictionary

English Dictionary Computer Dictionary Thesaurus Dream Dictionary Medical Dictionary


Search Dictionary:  

Meaning of A HORIZON

WordNet Dictionary
 
 Definition: 
  1. [n]  the top layer of a soil profile; usually contains humus
  2. [n]  the top layer of a soil profile; usually contains humus
 
 Websites: 
 
 Synonyms: A horizon, A-horizon
 
 See Also: humus, soil horizon

 

 

Biology Dictionary
 
 Definition: A distinct layer of soil, more or less parallel with the soil surface, having similar properties such as color, texture and permeability; the soil profile is subdivided into the following major horizons:
  1. A-horizon, characterized by an accumulation of organic material;
  2. B-horizon, characterized by relative accumulation of clay iron, organic matter or aluminum;
  3. C-horizon, the undisturbed and unaltered parent material.
(Some soils have an E-horizon, characterized by leaching of organic and other material.)
 

 

COPYRIGHT © 2000-2003 WEBNOX CORP. HOME | ABOUT HYPERDICTIONARY