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

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Usage examples (34)
  • Noun : the hardpan of mathematical theory
  • Caliche is also known as hardpan, calcrete, kankar (in India), or duricrust.
  • Caliche is also known as hardpan, calcrete, kankar (in
  • The hardpan had disintegrated in places to mere rubble.
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