oxisol

[ ok-si-sawl, -sol ]
/ ˈɒk sɪˌsɔl, -ˌsɒl /

noun

a thick, weathered soil of the humid tropics, largely depleted in the minerals that promote fertility, and characteristic of the Amazon and Congo basins.

Origin of oxisol

First recorded in 1955–60; ox- + -i- + -sol