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
America’s mining industry requires diverse skills, from engineering and geology to environmental science and technology.
—
Ed MacHa, Forbes.com, 15 July 2025
Wilbur Nelson, Tennessee’s state geologist, and Kirtley Mather, chairman of Harvard University’s geology department, would testify that the Earth’s rock formations were far older than the biblical account of the universe’s creation.
—Ron Grossman, Chicago Tribune, 13 July 2025
James Hagadorn, a geology curator at the Denver Museum of Nature & Science, told ABC News.
—ABC News, 11 July 2025
Upon seeing it, the scientists reported the discovery to the park’s geology staff to confirm whether the feature was indeed new.
—Monica Cull, Discover Magazine, 4 July 2025
See All Example Sentences for geology
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Ed MacHa, Forbes.com, 15 July 2025
Wilbur Nelson, Tennessee’s state geologist, and Kirtley Mather, chairman of Harvard University’s geology department, would testify that the Earth’s rock formations were far older than the biblical account of the universe’s creation.
—Ron Grossman, Chicago Tribune, 13 July 2025
James Hagadorn, a geology curator at the Denver Museum of Nature & Science, told ABC News.
—ABC News, 11 July 2025
Upon seeing it, the scientists reported the discovery to the park’s geology staff to confirm whether the feature was indeed new.
—Monica Cull, Discover Magazine, 4 July 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 21 Jul. 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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