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
Started in 2012, the project was slowed by the difficult geology of the Apennine range, including the discovery of natural asbestos.
—
Dave Smith, Fortune, 19 Sep. 2025
Although the North Aegean’s dynamic environment and geology creates less-than-ideal preservation conditions, the team still discovered evidence of numerous stone tools from multiple Paleolithic periods.
—Andrew Paul, Popular Science, 18 Sep. 2025
This time, the deceleration is being driven largely by internal factors—capital discipline, geology, and infrastructure constraints—rather than a market shock.
—Robert Rapier, Forbes.com, 18 Sep. 2025
Fossil hunting is a hugely popular pastime in Florida, largely thanks to the state's unique geology.
—Alice Gibbs, MSNBC Newsweek, 16 Sep. 2025
See All Example Sentences for geology
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Dave Smith, Fortune, 19 Sep. 2025
Although the North Aegean’s dynamic environment and geology creates less-than-ideal preservation conditions, the team still discovered evidence of numerous stone tools from multiple Paleolithic periods.
—Andrew Paul, Popular Science, 18 Sep. 2025
This time, the deceleration is being driven largely by internal factors—capital discipline, geology, and infrastructure constraints—rather than a market shock.
—Robert Rapier, Forbes.com, 18 Sep. 2025
Fossil hunting is a hugely popular pastime in Florida, largely thanks to the state's unique geology.
—Alice Gibbs, MSNBC Newsweek, 16 Sep. 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 23 Sep. 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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