surficial
adjUK /səːˈfɪʃəl/ · US /sɚˈfɪʃəl/
Etymology From superficial, under influence from surface.
1
Astronomy, Geography, Geology, Natural sciences Of or pertaining to the surface of something, particularly the surface of the Earth.
- When the soil swells on wetting, the former surficial material is mixed with the subsoil.
- Derived terms
- surficially