| NOUN | substance | hardpan, caliche | crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions |
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| Meaning | crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions. | |
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| Synonym | caliche | |
| Broader | soil, dirt | The part of the earth's surface consisting of humus and disintegrated rock |
| Spanish | hardpan | |
| Catalan | hardpan | |
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