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 geological history of this valley goes back 300 to 350 million years when Pine Creek began cutting across what eventually became the Allegheny Plateau.
—
Anthony Fredericks, Travel + Leisure, 12 Apr. 2026
The Towers of Time, three impressive 27-foot stone towers greet you at the entrance, paying tribute to the origins of life, geological formations, and animals found in the region.
—Joie Probst, Midwest Living, 10 Apr. 2026
There are other constraints too, including staffing shortages and geological considerations.
—Camila Domonoske, NPR, 9 Apr. 2026
In addition to logistical challenges, the canyon’s geological conditions posed further engineering difficulties.
—Aman Kumar, Encyclopedia Britannica, 8 Apr. 2026
The species has endured across geological ages while countless other animals went extinct.
—Samantha Agate, Fort Worth Star-Telegram, 8 Apr. 2026
To delve to the (geological) heart of the matter, scientists want to know the moon’s deepest secret—what’s happening at its most abyssal depths.
—Robin George Andrews, Scientific American, 7 Apr. 2026
The nearly 600-mile-wide basin, which stretches across the moon’s near and far sides, still has distinct geological features from the ancient collision, according to NASA.
—Denise Chow, NBC news, 6 Apr. 2026
Lighting conditions during the flyby are expected to cast long shadows across the surface, revealing geological features such as ridges and crater rims in greater detail.
—Neetika Walter, Interesting Engineering, 6 Apr. 2026
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Anthony Fredericks, Travel + Leisure, 12 Apr. 2026
The Towers of Time, three impressive 27-foot stone towers greet you at the entrance, paying tribute to the origins of life, geological formations, and animals found in the region.
—Joie Probst, Midwest Living, 10 Apr. 2026
There are other constraints too, including staffing shortages and geological considerations.
—Camila Domonoske, NPR, 9 Apr. 2026
In addition to logistical challenges, the canyon’s geological conditions posed further engineering difficulties.
—Aman Kumar, Encyclopedia Britannica, 8 Apr. 2026
The species has endured across geological ages while countless other animals went extinct.
—Samantha Agate, Fort Worth Star-Telegram, 8 Apr. 2026
To delve to the (geological) heart of the matter, scientists want to know the moon’s deepest secret—what’s happening at its most abyssal depths.
—Robin George Andrews, Scientific American, 7 Apr. 2026
The nearly 600-mile-wide basin, which stretches across the moon’s near and far sides, still has distinct geological features from the ancient collision, according to NASA.
—Denise Chow, NBC news, 6 Apr. 2026
Lighting conditions during the flyby are expected to cast long shadows across the surface, revealing geological features such as ridges and crater rims in greater detail.
—Neetika Walter, Interesting Engineering, 6 Apr. 2026
Cite this Entry
“Geological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geological. Accessed 14 Apr. 2026.
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