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
The emphasis remains on geology, field conditions, and the slower work of resource development in a place where nothing is simple.
—
Kaitlyn Gomez, Miami Herald, 7 May 2026
The same processes that create this hazard – glacier retreat, steep terrain, dynamic geology – are also what make these landscapes so compelling.
—Ezgi Karasözen, The Conversation, 6 May 2026
Human intervention keeps the risk of false positives low and trains the technology to become more accurate, said Neal Driscoll, geology and geophysics professor at UC San Diego, and founder of ALERTCalifornia.
—Dorany Pineda, Los Angeles Times, 4 May 2026
Human intervention keeps the risk of false positives low and trains the technology to become more accurate, said Neal Driscoll, geology and geophysics professor at the University of California, San Diego, and founder of ALERTCalifornia.
—ABC News, 4 May 2026
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Kaitlyn Gomez, Miami Herald, 7 May 2026
The same processes that create this hazard – glacier retreat, steep terrain, dynamic geology – are also what make these landscapes so compelling.
—Ezgi Karasözen, The Conversation, 6 May 2026
Human intervention keeps the risk of false positives low and trains the technology to become more accurate, said Neal Driscoll, geology and geophysics professor at UC San Diego, and founder of ALERTCalifornia.
—Dorany Pineda, Los Angeles Times, 4 May 2026
Human intervention keeps the risk of false positives low and trains the technology to become more accurate, said Neal Driscoll, geology and geophysics professor at the University of California, San Diego, and founder of ALERTCalifornia.
—ABC News, 4 May 2026
See All Example Sentences for geology
Cite this Entry
“Geology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geology. Accessed 9 May. 2026.
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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