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
What the new study does provide is a numerical estimate of the stress in the fault system, said Michael Oskin, a professor of geology at UC Davis who was not involved with the study.
—
Velvet Wu
july 3,
Sacbee.com,
3 July 2026
In fact, Pluto's 2015 flyby by NASA's New Horizons spacecraft further fueled the debate by revealing a surprisingly complex world with mountains, glaciers and active geology.
—
Samantha Mathewson,
Space.com,
1 July 2026
Rosenthal believes that there are some similarities, but the geology is the key differential.
—
Paul Caputo,
Forbes.com,
30 June 2026
According to Nigar Hale, board chair of Finger Lakes Regional Tourism Council, what makes the Finger Lakes region ideal for road trips is its remarkable geology and culture.
—
Taryn White,
USA Today,
29 June 2026
See All Example Sentences for geology
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Velvet Wu
july 3,
Sacbee.com,
3 July 2026
In fact, Pluto's 2015 flyby by NASA's New Horizons spacecraft further fueled the debate by revealing a surprisingly complex world with mountains, glaciers and active geology.
—
Samantha Mathewson,
Space.com,
1 July 2026
Rosenthal believes that there are some similarities, but the geology is the key differential.
—
Paul Caputo,
Forbes.com,
30 June 2026
According to Nigar Hale, board chair of Finger Lakes Regional Tourism Council, what makes the Finger Lakes region ideal for road trips is its remarkable geology and culture.
—
Taryn White,
USA Today,
29 June 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 6 Jul. 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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