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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
The Nuclear Waste Management Organization of Canada will build a deep geological repository to store nuclear waste materials, and the researchers want to ensure that the materials can be safely stored for millions of years. April Wallace, arkansasonline.com, 31 Oct. 2024 Explore Virginia Beach 18 of 20 Sand Cave In Southwest Virginia, Sand Cave is one of the most uniquely beautiful geological formations in the entire state. Erin Gifford, Southern Living, 26 Oct. 2024 Experts in paleontology say the landmark discovery is a big deal for Hong Kong, a city with a complex geological history and ever-changing weather patterns. Karina Tsui, CNN, 24 Oct. 2024 Pluto constantly erases old blemishes and refreshes its exterior as remnant heat in the interior powers geological reshuffling. Shi En Kim, Smithsonian Magazine, 22 Oct. 2024 The Sun is getting brighter over very long geological timescales, about one percent brighter every 100 million years, says Schwieterman. Bruce Dorminey, Forbes, 20 Oct. 2024 The fossil record of hominins seemed to support this concept until fossils of two different hominin species were recovered from the same geological layer at sites in Kenya and Tanzania. Donald C. Johanson, Scientific American, 15 Oct. 2024 As a result, researchers say, the new work, in concert with a paper that the same group published last month in Science that assessed the episode’s impact on global biodiversity, gives scientists fresh insights into how such crises may have affected life on Earth throughout its geological history. science.org, 25 Sep. 2024 In addition to illuminating geological processes deep inside Earth, the cold, descending slab of dense rock, located some 410 to 660 kilometers below the planet’s surface, could explain a mysterious gap between two sections of a giant blob in the mantle layer. Jeanna Bryner, Scientific American, 17 Oct. 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 7 Nov. 2024.

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