名詞 caliche:

1. crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
   同義詞：hardpan
2. nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru

ca.li.che

n.（名詞）

A crude sodium nitrate occurring naturally in Chile, Peru, and the southwest United States, used as fertilizer.
生硝：一種粗糙的硝酸納，存在于智利、秘魯和美國(guó)西南部，用作肥料
See sodium nitrate
參見 sodium nitrate
See hardpan
參見 hardpan

來源：
American Spanish
美國(guó)西班牙語
from Spanish [pebble in a brick, flake of lime]
源自 西班牙語 [磚塊的粗糙表面，石灰片]
from cal [lime]
源自 cal [石灰]
from Latin calx calc- [lime] * see calx
源自 拉丁語 calx calc- [石灰] *參見 calx