Meaning of oxisol

ox•i•sol

Pronunciation: (ok'si-sôl", -sol"), [key]
— n.
  1. a thick, weathered soil of the humid tropics, largely depleted in the minerals that promote fertility, and characteristic of the Amazon and Congo basins.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.