geo·​log·​i·​cal | \ ˌjē-ə-ˈlä-ji-kəl How to pronounce geological (audio) \
variants: or less commonly geologic \ ˌjē-​ə-​ˈlä-​jik How to pronounce geological (audio) \

Definition of geological

: of, relating to, or based on geology

Other Words from geological

geologically \ ˌjē-​ə-​ˈlä-​ji-​k(ə-​)lē How to pronounce geological (audio) \ adverb

Examples of geological in a Sentence

Recent Examples on the Web While scientists have known for years that the glacier is melting rapidly, there’s been a lack of data to contextualize its broader geologic history. Colin Lodewick, Fortune, 6 Sep. 2022 Forged by one of the most violent volcanic eruptions in history, the island is a geologic wonder of spiraling cliffside, black-sand beaches, and endless blue waters. Jessie Heyman, Vogue, 18 Aug. 2022 Any fragile, removable geologic formations, including stalagmites, were carted away by tourists long ago. Scott Hewitt, oregonlive, 19 Aug. 2022 All 13 are within 6 degrees of the lunar south pole, and among them include what NASA said are diverse geologic features. Richard Tribou, Orlando Sentinel, 19 Aug. 2022 If passed, companies would be able to claim $85 of tax credits per metric ton of carbon dioxide captured and stored in secure geologic formations, up from $50. Jinjoo Lee, WSJ, 2 Aug. 2022 Similar geologic subsoils may be reason for a preponderance of Cannonau (Grenache) grapes growing on Sardinia. Tom Mullen, Forbes, 24 July 2022 The underground site will allow year-round drilling and a shorter time frame to collect geologic data to help make a development decision, said Stannell with Teck Resources. Alex Demarban, Anchorage Daily News, 16 June 2022 Per student research, dolostone was the cause of a major mineral rush in Galena, Illinois, in the early 1800s, the site of one of the first large geologic expeditions in the nation. Darcel Rockett, Chicago Tribune, 27 May 2022 See More

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

First Known Use of geological

circa 1723, in the meaning defined above

History and Etymology for geological

see geology

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Time Traveler for geological

Time Traveler

The first known use of geological was circa 1723

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Dictionary Entries Near geological



geological age

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Statistics for geological

Last Updated

16 Sep 2022

Cite this Entry

“Geological.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2022.

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More from Merriam-Webster on geological

Britannica English: Translation of geological for Arabic Speakers


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