surficial

adjective
sur·​fi·​cial | \ˌsər-ˈfi-shəl \

Definition of surficial 

: of or relating to a surface surficial geologic processes

First Known Use of surficial

1892, in the meaning defined above

History and Etymology for surficial

surface + -icial (as in superficial)

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Dictionary Entries near surficial

surf fish

surfgrass

surf green

surficial

surfing

surfle

surf line

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Time Traveler for surficial

The first known use of surficial was in 1892

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