Definition of hardpan
1 : a cemented or compacted and often clayey layer in soil that is impenetrable by roots
2 : a fundamental part : bedrock
Recent Examples of hardpan from the Web
Root constriction caused by hardpan or compacted soil, sunburn, borer insects, soil nematodes, root rot, powdery mildew and spider mites might also be affecting the tree.
But the wind was gusting to 30 mph, and the sun baked out greens that became like Texas hardpan.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hardpan.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of hardpan
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