geological
adjective
geo·log·i·cal
ˌjē-ə-ˈlä-ji-kəl 
variants
or less commonly geologic
: of, relating to, or based on geology
Examples of geological in a Sentence
Recent Examples on the Web
The lodge sits at the end of the North Rim’s only road and foregrounds visitors’ first views of Arizona’s geological wonder, a canyon shaped over millions of years by the Colorado River’s mighty flows.
—
Christian Thorsberg, Smithsonian Magazine, 14 July 2025
These findings help explain the geological evidence of subsequent but increasingly less frequent bursts of liquid water on the surface of Mars during the past 3.5 billion years.
—Keith Cooper, Space.com, 2 July 2025
An international research team reached their conclusion after analyzing more than 130 samples from young volcanoes located across a rare geological region below Ethiopia.
—Andrew Paul, Popular Science, 25 June 2025
The Patagonian Paleontology Trail The first stops on the trail are Bryn Gwyn’s Plateau and Ameghino Petrified Forest, sites of fossils and impressive geological formations, as well as the soaring cliffs near the Chubut River.
—Laurie Werner, Forbes.com, 30 June 2025
This holds true not just for national history and global history, but also geological history.
—Laura Poppick, Rolling Stone, 30 June 2025
Espiritu Santo is a geological layer cake carved with countless small anchorages, beloved by sailors and fishing enthusiasts.
—The New York Times News Service Syndicate, San Diego Union-Tribune, 29 June 2025
Very little is definitive when dealing with rocks and minerals that have complex geological histories spanning more than 4 billion years, according to Jesse Reimink, the Rudy L. Slingerland Early Career Professor of Geoscience at Penn State University.
—Katie Hunt, CNN Money, 27 June 2025
The geological story of time is told through the ancient rock formations, from when the landscape was underwater during the lower Triassic Period to many years of wind and rock erosion that shaped the striking formations and strata.
—Kathleen Wong, USA Today, 27 June 2025
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Christian Thorsberg, Smithsonian Magazine, 14 July 2025
These findings help explain the geological evidence of subsequent but increasingly less frequent bursts of liquid water on the surface of Mars during the past 3.5 billion years.
—Keith Cooper, Space.com, 2 July 2025
An international research team reached their conclusion after analyzing more than 130 samples from young volcanoes located across a rare geological region below Ethiopia.
—Andrew Paul, Popular Science, 25 June 2025
The Patagonian Paleontology Trail The first stops on the trail are Bryn Gwyn’s Plateau and Ameghino Petrified Forest, sites of fossils and impressive geological formations, as well as the soaring cliffs near the Chubut River.
—Laurie Werner, Forbes.com, 30 June 2025
This holds true not just for national history and global history, but also geological history.
—Laura Poppick, Rolling Stone, 30 June 2025
Espiritu Santo is a geological layer cake carved with countless small anchorages, beloved by sailors and fishing enthusiasts.
—The New York Times News Service Syndicate, San Diego Union-Tribune, 29 June 2025
Very little is definitive when dealing with rocks and minerals that have complex geological histories spanning more than 4 billion years, according to Jesse Reimink, the Rudy L. Slingerland Early Career Professor of Geoscience at Penn State University.
—Katie Hunt, CNN Money, 27 June 2025
The geological story of time is told through the ancient rock formations, from when the landscape was underwater during the lower Triassic Period to many years of wind and rock erosion that shaped the striking formations and strata.
—Kathleen Wong, USA Today, 27 June 2025
Cite this Entry
“Geological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geological. Accessed 19 Jul. 2025.
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