surficial

adjective
sur·​fi·​cial | \ ˌsər-ˈfi-shəl How to pronounce surficial (audio) \

Definition of surficial

: of or relating to a surface surficial geologic processes

Examples of surficial in a Sentence

Recent Examples on the Web Even if astronauts can avoid radiation exposure and muscle degeneration, the moon’s surficial soil—called regolith—itself poses another tricky problem. Rebecca Boyle, Scientific American, 22 Oct. 2020 This aquifer does receive recharge and is not yet overtaxed, but involves more concerns than pumping out of a surficial gravel aquifers near Staples or Benson. Edward Lotterman, Twin Cities, 9 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'surficial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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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Learn More About surficial

Time Traveler for surficial

Time Traveler

The first known use of surficial was in 1892

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Dictionary Entries Near surficial

surf-fish

surfgrass

surf green

surficial

surfing

surfle

surf line

See More Nearby Entries 

Statistics for surficial

Cite this Entry

“Surficial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/surficial. Accessed 26 Jul. 2021.

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