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
Of course, the region and its wines aren’t mere carbon copies of Burgundy—and the differences in geology are one reason why.
—
Mike Desimone, Robb Report, 26 Oct. 2025
The ‘mummy’ zone The Lance Formation’s unique geology allowed many of these dinosaur mummies to be preserved under clay, in a small area.
—Paul C. Sereno, The Conversation, 24 Oct. 2025
It was headed by Khlopin, a specialist in the chemistry of radioactive materials, who was to be assisted by two deputies—Vernadsky, whose area was geology and mineralogy, and Abram Ioffe, the country’s leading nuclear physicist.
—Literary Hub, 23 Oct. 2025
With ideal geology for storing CO₂ underground safely and effectively, the Government of Manitoba passed legislation in 2024 to allow for CO₂ storage.
—Prabhat Ranjan Mishra, Interesting Engineering, 10 Oct. 2025
See All Example Sentences for geology
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Mike Desimone, Robb Report, 26 Oct. 2025
The ‘mummy’ zone The Lance Formation’s unique geology allowed many of these dinosaur mummies to be preserved under clay, in a small area.
—Paul C. Sereno, The Conversation, 24 Oct. 2025
It was headed by Khlopin, a specialist in the chemistry of radioactive materials, who was to be assisted by two deputies—Vernadsky, whose area was geology and mineralogy, and Abram Ioffe, the country’s leading nuclear physicist.
—Literary Hub, 23 Oct. 2025
With ideal geology for storing CO₂ underground safely and effectively, the Government of Manitoba passed legislation in 2024 to allow for CO₂ storage.
—Prabhat Ranjan Mishra, Interesting Engineering, 10 Oct. 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 29 Oct. 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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