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geological

adjective

geo·​log·​i·​cal ˌjē-ə-ˈlä-ji-kəl How to pronounce geological (audio)
variants or less commonly geologic
: of, relating to, or based on geology
geologically adverb

Examples of geological in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Officials attributed the devastation to continuous heavy rainfall, strong winds, and unstable geological conditions that together fueled flooding, soil movement, and landslides across vulnerable mountain and coastal regions. Robert Birsel, MSNBC Newsweek, 27 Nov. 2025 Beneath north-central Greenland, researchers suggest a similar heat anomaly exists, thought to be the NAA’s geological twin, formed when the continent split. Mrigakshi Dixit, Interesting Engineering, 26 Nov. 2025 The quake is the latest in a string of geological activity located in the area; USGS has identified 10 tremors in recent weeks that might be connected to this largest-yet event. Meghan Bartels, Scientific American, 26 Nov. 2025 Antonia Thomas, the Neolithic-art expert, has noted that many abstract-seeming scratchings on stones resemble geological patterns. Alex Ross, New Yorker, 24 Nov. 2025 Newberry National Volcanic Monument is a geological marvel. Robert Annis, Outside, 22 Nov. 2025

Word History

Etymology

see geology

First Known Use

circa 1723, in the meaning defined above

Time Traveler
The first known use of geological was circa 1723

Browse Nearby Words

Cite this Entry

“Geological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geological. Accessed 30 Nov. 2025.

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