Hardpan (noun) Definition, Meaning & Examples

noun
  1. any layer of firm detrital matter, as of clay, underlying soft soil.
  2. hard, unbroken ground.
  3. the fundamental or basic aspect of anything; solid foundation; underlying reality: the hardpan of mathematical theory.
noun
  1. a hard impervious layer of clay below the soil, resistant to drainage and root growth
    Hardpan (noun) Definition, Meaning & Examples

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