oxisol

Noun.  A soil type, containing at all depths no more than ten percent weatherable minerals, and low cation exchange capacity. They are always red or yellowish and best known for their occurrence in tropical rain forest.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.