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 grandeur that surprises many first-time observers is the result of an extraordinarily long and complex geological history. Soo Kim, MSNBC Newsweek, 30 Mar. 2026 One of them is the lack of detailed geological research on the atoll and its surrounding seabed. Georgina Jedikovska, Interesting Engineering, 30 Mar. 2026 Layers of different rock merge, sometimes sharply, as switchbacks cut through a sequence of geological history. Rebecca 'becca' Dyer, AZCentral.com, 28 Mar. 2026 However, Coleman noted that the sounds from Loch Ness were later confirmed to have come from geological activity, not Nessie. Andrew Coletti, Popular Science, 26 Mar. 2026 The sight is certainly striking, a major geological feature jutting out in the landscape with three even ridges connecting in a sharp peak. Victor Tangermann, Futurism, 26 Mar. 2026 Even so, the phenomena of meteors making their way through Earth's atmosphere between periods of peak activity isn't unusual, Ralph Harvey, a geological sciences professor at Case Western Reserve University, told the Akron Beacon Journal, part of the USA TODAY Network. Mary Walrath-Holdridge, USA Today, 24 Mar. 2026 However, while chemically the same, beach sand is made up of tiny crystals of quartz that have been pulverized by geological weathering and the pounding of ocean waves. John Ballato, The Conversation, 24 Mar. 2026 Dosa earned an Academy Award nomination for 2022’s Fire of Love, the story of vulcanologists Katia and Maurice Krafft who furthered the world’s understanding of intense geological forces, but whose lives were claimed in a volcanic eruption. Matthew Carey, Deadline, 20 Mar. 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 2 Apr. 2026.

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