Hardpan

noun

Definitions

Noun
  1. 1
    A distinct layer of soil that is largely impervious to water. countable, uncountable
  2. 2
    crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions wordnet
  3. 3
    Synonym of dry lake. countable, uncountable

Etymology

From hard + pan.

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