caliche

名词 caliche:

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

ca.li.che

n.（名词）

A crude sodium nitrate occurring naturally in Chile, Peru, and the southwest United States, used as fertilizer.
生硝：一种粗糙的硝酸纳，存在于智利、秘鲁和美国西南部，用作肥料
See sodium nitrate
参见 sodium nitrate
See hardpan
参见 hardpan

来源：
American Spanish
美国西班牙语
from Spanish [pebble in a brick, flake of lime]
源自 西班牙语 [砖块的粗糙表面，石灰片]
from cal [lime]
源自 cal [石灰]
from Latin calx calc- [lime] * see calx
源自 拉丁语 calx calc- [石灰] *参见 calx