geology

noun

ge·ol·o·gy | \ jē-ˈä-lə-jē

plural geologies

Definition of geology

1a : a science that deals with the history of the earth and its life especially as recorded in rocks

b : a study of the solid matter of a celestial body (such as the moon)

2 : geologic features the geology of Arizona

3 : a treatise on geology

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Examples of geology in a Sentence

learning about the geology of Hawaii

Recent Examples on the Web

The lander will set down in the oldest and deepest impact basin on the Moon, the South Pole–Aitken basin, and will focus on lunar geology. — Eric Berger, Ars Technica, "Here’s why China’s launch to the far side of the Moon is a big deal," 10 Dec. 2018 Following the rescue meant coming to appreciate cave geology, the dangers of cave diving, the risks of running out of oxygen in a cave, and the utility of sedatives in an emergency. — Brian Resnick, Vox, "10 science stories in 2018 that made us go, “Whoa, that’s awesome”," 18 Dec. 2018 The richness of the red lets the woman hold her own visually with not just the canyon’s delicate pastels but even its flabbergasting geology. — Mark Feeney, BostonGlobe.com, "At Cambridge Public Library, photos in color, in the stacks, in Cambridge," 8 May 2018 Its geology and politics are known to the industry. — Vinod Sreeharsha And Clifford Krauss, New York Times, "Brazilian Auction Draws Oil Companies Back to Offshore Drilling," 29 Mar. 2018 Mars 2020, scheduled to launch from Cape Canaveral in July of that year, has four primary science objectives: determine whether life ever arose on Mars, characterize the planet's climate, study its geology, and prepare for human exploration. — Jay Bennett, Popular Mechanics, "NASA's Next Great Mars Rover Will Search for Martians and Prepare for Humans to Follow," 17 Jan. 2018 In it, the Major stepped away from the fields of geology and out of academic realms to address a topic that pressed right to the heart of American democracy. — Johnforristerross, Longreads, "Taming the Great American Desert," 2 July 2018 Michael Garcia, a professor of geology at the University of Hawaii’s Manoa campus in Honolulu, has a student who is extracting olivine from a 1985 eruption. — Washington Post, "NOT REAL NEWS: Erupting Hawaii volcano not raining gemstones," 19 June 2018 Many attribute its signature style to the complex geology of the land. — Jay Mcinerney, Town & Country, "A New Era Begins at Château Lafite as Baron de Rothschild Hands Leadership Over to His Daughter," 13 Aug. 2018

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