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 quartz’s presence is a geological mystery because the mineral isn’t found in these parts. Nicholas Derenzo, AFAR Media, 13 Jan. 2025 There the rover has collected samples from different elevations with different chemical makeups and left the titanium tubes tubes scattered in its path like geological Easter eggs. Jeffrey Kluger, TIME, 13 Jan. 2025 The natural world is full of examples of animals undertaking extraordinary journeys across oceans, driven by geological forces and chance events. Scott Travers, Forbes, 11 Jan. 2025 Located 145 feet underground, this natural wonder is a geological masterpiece. Rafael Peña, Miami Herald, 10 Jan. 2025 Ice cores and other geological samples are a crucial piece of how scientists understand our planet’s history and how the climate is changing. Laura Baisas, Popular Science, 9 Jan. 2025 Major eruptions, and even smaller ones, are preceded by significant geological activity, such as swarms of earthquakes and rapid ground uplift—movements that would alert scientists and provide critical time for monitoring and preparation. Tommy Tuberville, Newsweek, 8 Jan. 2025 Life on Mars: How volunteers in NASA's Mars simulator will live for a year NASA has previously said the samples will help scientists understand the geological history of Mars and the evolution of its climate, and could answer the question of if life ever existed on the Red Planet. Mary Kekatos, ABC News, 7 Jan. 2025 For example, the Ross Maxwell Scenic Drive has stunning views of volcanic formations and informative signs explaining the area’s geological history. Carrie Dennis, Travel + Leisure, 31 Dec. 2024

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

Dictionary Entries Near geological

Cite this Entry

“Geological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geological. Accessed 21 Jan. 2025.

More from Merriam-Webster on geological

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!