Caliche
nounverified·updated May 18, 2026
crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
Framework senses
- §1
- nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru
- §2
- crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
- §1 · legacy_primary
- crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regionsDR-088 backfill from the noun definition column