caliche
/kɑ:'li:tʃi/
📖 中文释义
- [化] 生硝; 智利硝
📘 English Definition（英文释义）
- n. crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
- n. nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru