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Caliche (Noun)

Meaning 1

Nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru.

Classification

Nouns denoting substances.

Hypernyms

  • Stone

Meaning 2

Crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions.

Classification

Nouns denoting substances.

Examples

  • The caliche layer in the desert made it difficult to dig a hole for the fence post.
  • Geologists studying the formation of the caliche in the region hypothesized that it was created through the evaporation of ancient lakes.
  • After a few years of drought, a layer of caliche began to form on the surface of the usually fertile farmland.
  • In arid regions, the formation of caliche can be a challenge for farmers, who struggle to grow crops through the hard, calcium-encrusted layer.
  • The fossilized shells and snails trapped in the caliche were evidence of the area's history as a once-wetland region.

Synonyms

  • Hardpan

Hypernyms

  • Dirt
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