geology
noun
ge·ol·o·gy
jē-ˈä-lə-jē 
plural geologies
1
a
: a science that deals with the history of the earth and its life especially as recorded in rocks
b
: a study of the solid matter of a celestial body (such as the moon)
2
: geologic features
the geology of Arizona
3
: a treatise on geology
Examples of geology in a Sentence
learning about the geology of Hawaii
Recent Examples on the Web
Further research combining mathematical modeling with observations of Venus's surface will help provide a better understanding of the planet's geology, the researchers said.
—
Samantha Mathewson, Space.com, 4 Apr. 2025
These are the forces that shape an old oil well: The laws of physics and the realities of geology, pinching the flow to a dribble.
—Camila Domonoske, NPR, 26 Mar. 2025
And, in fields such as geology and ecology, many were women.
—E. Tammy Kim, The New Yorker, 25 Mar. 2025
Before joining the Discover team as an assistant editor in 2022, Sam studied journalism at Northwestern University in Evanston, Illinois.
earth science
geology
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—Sam Walters, Discover Magazine, 17 Mar. 2025
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Samantha Mathewson, Space.com, 4 Apr. 2025
These are the forces that shape an old oil well: The laws of physics and the realities of geology, pinching the flow to a dribble.
—Camila Domonoske, NPR, 26 Mar. 2025
And, in fields such as geology and ecology, many were women.
—E. Tammy Kim, The New Yorker, 25 Mar. 2025
Before joining the Discover team as an assistant editor in 2022, Sam studied journalism at Northwestern University in Evanston, Illinois.
earth science
geology
1 free article left
Want More?
—Sam Walters, Discover Magazine, 17 Mar. 2025
See All Example Sentences for geology
Cite this Entry
“Geology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geology. Accessed 16 Apr. 2025.
Copy CitationKids Definition
geology
noun
ge·ol·o·gy
jē-ˈäl-ə-jē
plural geologies
1
a
: a science that deals with the history of the earth and its life especially as recorded in rocks
b
: a study of the features of a heavenly body (as the moon)
2
: the geologic features (as mountains or plains) of an area
geologic
adjective
ˌjē-ə-ˈläj-ik
or geological
-i-kəl
geologically
adverb
-i-k(ə-)lē
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