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 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 Observations in real time and the 3D effect NASA scientists have identified about 35 geological features for the crew to observe. Ava Berger, NPR, 6 Apr. 2026 Unlike rocks on Earth, which have been exposed to eons of weather and geological processes, many meteorites have spent that time hurtling through space, relatively untouched, Fries said. Maliya Ellis, Houston Chronicle, 5 Apr. 2026 Hit the Blue Ridge Parkway North to Virginia Charlotte residents familiar with the Blue Ridge Parkway corridor can pair a Biltmore visit with a drive north to one of the East Coast’s most striking geological formations. Lauren Schuster, Charlotte Observer, 3 Apr. 2026 From yoga classes at the crack of dawn to excursions that range from whale-watching to geological expeditions and beyond, the staff here make magic happen. Condé Nast, Condé Nast Traveler, 2 Apr. 2026 In February 2017 separate studies examining Earth’s geological and geophysical characteristics revealed evidence of ancient sunken continents in the Indian and Pacific Oceans. Encyclopedia Britannica, 2 Apr. 2026 The Rio Grande is a relatively recent arrival in geological terms, spilling down into the Big Bend roughly 2 million years ago. Lauren Villagran, USA Today, 1 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 7 Apr. 2026.

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