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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Other words from geology

geologist \jē-ˈä-lə-jist \ noun

Examples of geology in a Sentence

learning about the geology of Hawaii

Recent Examples on the Web

All land-measurement operation would fall under the Coast and Interior Survey, while all investigations of geology and natural resources, together with land classification, should fall under a new consolidated geological survey. Johnforristerross, Longreads, "Taming the Great American Desert," 2 July 2018 There are additional hazards as lava enters the ocean, including the scalding, hot water, said Ken Rubin, the department chair of geology and geophysics at the University of Hawaii. Madison Park, CNN, "More eruptions from Kilauea are possible, but laze and lava are the biggest hazards right now," 21 May 2018 Topics covered in books in the Texana collection run the gamut: geology, natural history, water, oil, cattle, churches, the military, architecture, railroads and insurance. Scott Huddleston, San Antonio Express-News, "Texana library collection among the state’s best," 27 Jan. 2018 Gurda's history has not only flow but also a pleasing dynamic balance between humans and geology, the lives of regular people and the doings of muckety-mucks. Jim Higgins, Milwaukee Journal Sentinel, "Milwaukee loves its rivers and Lake Michigan — and keeps abusing them, too," 3 July 2018 In a wondrous landscape drawing in colored pencil and ballpoint pen (1970), Joseph Yoakum articulates a kind of visionary geology, where a band of men's bare torsos rim a lake. Leah Ollman,, "This Candy Store wasn't a candy store: Remembering a California gallery that made art stars," 3 July 2018 The problem is a widespread one across Africa, where little is understood about groundwater supplies, said Daniel Olago, a geology professor at the University of Nairobi. Isaiah Esipisu, The Christian Science Monitor, "In sustainability search, Kenya studies the unknown depths of its aquifers," 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. CBS News, "Hawaii's Kilauea volcano not actually raining gemstones," 20 June 2018 Each ship will have a 10-person expedition team, made up of experts in marine biology, arctic survival, oceanography, biology, geology, history, and photography. Veronica Stoddart, Condé Nast Traveler, "New Expedition Ships: Small but Mighty Appealing," 14 June 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.

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First Known Use of geology

1735, in the meaning defined at sense 1a

History and Etymology for geology

New Latin geologia, from ge- + -logia -logy

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Statistics for geology

Last Updated

9 Sep 2018

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Time Traveler for geology

The first known use of geology was in 1735

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English Language Learners Definition of geology

: a science that studies rocks, layers of soil, etc., in order to learn about the history of the Earth and its life

: the rocks, land, processes of land formation, etc., of a particular area


ge·ol·o·gy | \ jē-ˈä-lə-jē \

Kids Definition of geology

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

2 : the geologic features (as mountains or plains) of an area

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See words that rhyme with geology

Spanish Central: Translation of geology

Nglish: Translation of geology for Spanish Speakers

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