sub·sur·face
ˈsəb-ˌsər-fəs 
: earth material (such as rock) near but not exposed at the surface of the ground
sub·sur·face
ˌsəb-ˈsər-fəs
: of, relating to, or being something located beneath a surface and especially underground
Synonyms
Examples of subsurface in a Sentence
Adjective
a sandy wasteland that gave little hint of its subsurface wealth
Recent Examples on the Web
Catherine Muccigrosso, Charlotte Observer, 8 May 2024
One is covered in volcanoes and lava lakes while the other is an icy body which probably contains a huge subsurface ocean.
—Isaac Schultz / Gizmodo, Quartz, 26 Apr. 2024
See all Example Sentences for subsurface 
Noun
Lithium — a relatively rare soft, light metal found in rocks and subsurface fluids — also powers everything from consumer electronics to life-saving medical devices, as well as strengthening glass for smartphone screens.
—Catherine Muccigrosso, Charlotte Observer, 8 May 2024
One is covered in volcanoes and lava lakes while the other is an icy body which probably contains a huge subsurface ocean.
—Isaac Schultz / Gizmodo, Quartz, 26 Apr. 2024
See all Example Sentences for subsurface
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'subsurface.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Subsurface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subsurface. Accessed 1 Jun. 2024.
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