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.
The geological formation has been studied for decades, and that long record of scientific interest shapes how the company describes its role. Matthew Kayser, USA Today, 28 Apr. 2026 The planet no longer has active plate tectonics and only experienced more significant geological activity in its distant past. Ryan Brennan, Miami Herald, 27 Apr. 2026 On Earth, corundum typically forms deep within the planet under specific geological conditions tied to tectonic activity. Ryan Brennan, Kansas City Star, 27 Apr. 2026 Mars no longer has active plate tectonics and only experienced more significant geological activity in its distant past. Ryan Brennan april 27, Fort Worth Star-Telegram, 27 Apr. 2026 Grand Canyon National Park offers jaw-dropping views of this massive geological wonder, while Saguaro National Park celebrates the iconic native cactus and Petrified Forest National Park showcases ancient fossils and vibrant badlands. Catherine Garcia, TheWeek, 27 Apr. 2026 According to the team, this wasn’t post-mortem damage from tumbling in the current, as the geological context of the find indicated transport abrasion was unlikely. Jacek Krywko, ArsTechnica, 24 Apr. 2026 Every new lunar mineral discovered broadens scientific understanding of the Moon’s geological history while also providing the possibility of practical applications on Earth. Chris Young, Interesting Engineering, 23 Apr. 2026 The continent’s second-largest copper producer has in recent years pursued a policy overhaul, which includes a push to digitize geological data. Tiisetso Motsoeneng, semafor.com, 22 Apr. 2026

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 Apr. 2026.

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