Surficial
//səɹˈfɪʃ(ə)l//
"Surficial" in a Sentence (2 examples)
Hard surfaces, such as concrete, cover large portions of land, impede the natural absorption of water, and thus exacerbate surficial erosion on adjacent unprotected land.
When the soil swells on wetting, the former surficial material is mixed with the subsoil.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.