geo·​log·​i·​cal | \ ˌjē-ə-ˈlä-ji-kəl How to pronounce geological (audio) \
variants: or less commonly geologic \ ˌjē-​ə-​ˈlä-​jik How to pronounce geological (audio) \

Definition of geological

: of, relating to, or based on geology

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Other Words from geological

geologically \ ˌjē-​ə-​ˈlä-​ji-​k(ə-​)lē How to pronounce geological (audio) \ adverb

Examples of geological in a Sentence

Recent Examples on the Web Compressing 2 million years of geologic strata onto a single canvas surface, these paintings revel in the landscape’s many great unknowns., "O'Keeffe's paintings encouraged viewers to unlock the mysteries in our own backyards," 11 Jan. 2021 For the record, the Bronco Sport Badlands was named after South Dakota's Badlands National Park and its geologic formations, not the Bruce Springsteen song from 1978. Scott Oldham, Car and Driver, "2021 Ford Bronco Sport Badlands Earns the Bronco Name," 7 Dec. 2020 The award-winning author David Farrier gives us a sense of that answer by examining the geologic fates of our roads, plastics, cityscapes and excavations as a future ghost story. Beth Py-lieberman, Smithsonian Magazine, "Smithsonian Scholars Pick Their Favorite Books of 2020," 3 Dec. 2020 Known as the Madison formation, this geologic structure is miles wide and reaches more than 10 Empire State Buildings below the ground. Bloomberg Wire, Dallas News, "Exxon Mobil shelves a carbon capture project using technology that could slow climate change," 8 Dec. 2020 The landscape was tilted at odd angles, showing some of the immense geologic forces at work in the area. Washington Post, "In Oregon, the passage of millions of years can be seen in unusual fossils and stunning vistas," 4 Dec. 2020 This contradiction between climate modeling and the geologic record of Mars is the faint young sun paradox. Ashley Strickland, CNN, "Potential life on ancient Mars likely lived below the surface, study says," 2 Dec. 2020 Edington used to sell her handmade jewelry and geologic rock pieces at a local bazaar. Karen Pearlman, San Diego Union-Tribune, "Small Business Saturday a lifeline to struggling retailers this year," 28 Nov. 2020 From time to time the pressure of Robinson’s observations—the eloquence of details—excites him to a geologic timescale. Colin Thubron, The New York Review of Books, "Cartographers of Stone and Air," 17 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geological.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of geological

circa 1723, in the meaning defined above

History and Etymology for geological

see geology

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Time Traveler for geological

Time Traveler

The first known use of geological was circa 1723

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Statistics for geological

Last Updated

20 Jan 2021

Cite this Entry

“Geological.” Dictionary, Merriam-Webster, Accessed 28 Jan. 2021.

More from Merriam-Webster on geological

Britannica English: Translation of geological for Arabic Speakers

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