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
This rock formation receives its coloring due to thousands of years of geological history and its unique mineral composition.
—
Carola Fresno, Travel + Leisure, 2 Aug. 2025
In other words, major earthquakes happen fairly often (in geological terms) along the coast of Kamchatka and the Kuril Islands.
—Kiona N. Smith, Forbes.com, 30 July 2025
However, the region's dry climate and low erosion rates suggest that not much visible change has occurred in recent geological time.
—Lucy Notarantonio, MSNBC Newsweek, 29 July 2025
Formed more than 70 million years ago, these cliffs are not only a visual spectacle, but also a fossil hunter’s paradise and a geological time capsule.
—AFAR Media, 21 July 2025
More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins.
—Julia Jacobo, ABC News, 16 July 2025
In the shadow of these findings, silent volcanoes in Antarctica and other icy regions, like Russia, New Zealand, and North America, are no longer just geological mysteries.
—Pranjal Malewar, New Atlas, 11 July 2025
The formation of layered material around the crater is evidence that the ground encompassed notable amounts of water ice during impact, and lack of clear erosion of the crater dates it to relatively recently on the geological timeline.
—Perri Thaler, Space.com, 6 July 2025
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
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Carola Fresno, Travel + Leisure, 2 Aug. 2025
In other words, major earthquakes happen fairly often (in geological terms) along the coast of Kamchatka and the Kuril Islands.
—Kiona N. Smith, Forbes.com, 30 July 2025
However, the region's dry climate and low erosion rates suggest that not much visible change has occurred in recent geological time.
—Lucy Notarantonio, MSNBC Newsweek, 29 July 2025
Formed more than 70 million years ago, these cliffs are not only a visual spectacle, but also a fossil hunter’s paradise and a geological time capsule.
—AFAR Media, 21 July 2025
More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins.
—Julia Jacobo, ABC News, 16 July 2025
In the shadow of these findings, silent volcanoes in Antarctica and other icy regions, like Russia, New Zealand, and North America, are no longer just geological mysteries.
—Pranjal Malewar, New Atlas, 11 July 2025
The formation of layered material around the crater is evidence that the ground encompassed notable amounts of water ice during impact, and lack of clear erosion of the crater dates it to relatively recently on the geological timeline.
—Perri Thaler, Space.com, 6 July 2025
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
Cite this Entry
“Geological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geological. Accessed 20 Aug. 2025.
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