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
Examples of subsurface in a Sentence
Adjective
a sandy wasteland that gave little hint of its subsurface wealth
Recent Examples on the Web
Ashley Strickland, CNN, 8 Mar. 2025
Unlike previous rovers sent by NASA, Zhurong was equipped with ground-penetrating radar, enabling it to examine the planet’s subsurface.
—Jamie Carter, Forbes, 24 Feb. 2025
Liz Kruesi, Discover Magazine, 28 Oct. 2015
An entire ocean’s worth is unlikely, but a significant amount of subsurface water isn’t.
—John Wenz, Popular Mechanics, 8 Dec. 2022
See All Example Sentences for subsurface
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Noun
Blue Ghost will spend the next week collecting samples, drilling into the subsurface and capturing high-definition imagery.
—Ashley Strickland, CNN, 8 Mar. 2025
Unlike previous rovers sent by NASA, Zhurong was equipped with ground-penetrating radar, enabling it to examine the planet’s subsurface.
—Jamie Carter, Forbes, 24 Feb. 2025
Adjective
So Marco Mastrogiuseppe, a researcher on the Cassini team who had used instruments like RADAR to map subsurface water on Mars, decided to try something.
—Liz Kruesi, Discover Magazine, 28 Oct. 2015
An entire ocean’s worth is unlikely, but a significant amount of subsurface water isn’t.
—John Wenz, Popular Mechanics, 8 Dec. 2022
See All Example Sentences for subsurface
Cite this Entry
“Subsurface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subsurface. Accessed 19 Mar. 2025.
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