geo·​log·​ic | \ ˌjē-ə-ˈlä-jik \
variants: or geological \ ˌjē-​ə-​ˈlä-​ji-​kəl \

Definition of geologic

: of, relating to, or based on geology

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Other Words from geologic

geologically \ ˌjē-​ə-​ˈlä-​ji-​k(ə-​)lē \ adverb

Examples of geologic in a Sentence

Recent Examples on the Web

The caves are the result of natural geologic processes taking place over thousands (or hundreds of thousands) of years. Jennifer Ouellette, Ars Technica, "Cave acoustics can help sculpt more realistic sounds in digital space," 14 Nov. 2018 Child of Krakatau,’’ is the geologic offspring of the infamous Krakatau volcano, better known as Krakatoa, which was obliterated in a massive eruption in 1883 and caused the deaths of some 36,000 people. I Made Sentana, WSJ, "Rain Slows Search for Tsunami Dead, as Indonesia Recalls 2004 Disaster," 26 Dec. 2018 There’s a sizable oil industry because of the Eagle Ford shale, a nearby geologic formation rich in petroleum. Patrick Sisson, Curbed, "San Antonio, the nation’s fastest-growing city, sees downtown rebound," 23 Oct. 2018 While the broader trend of warmer temperatures and receding glaciers holds just as true today as 11,700 years ago, there are other changes in the geologic record. Avery Thompson, Popular Mechanics, "According to Geologists, We're Living In a New Age," 18 July 2018 This geologic formation contains rocks made of mostly sand, silt and clays that were deposited when eastern Maryland was a flat coastal plain, in the early Cretaceous. Sarah Kaplan, Washington Post, "Fossil hunting 101: Lessons from a self-taught dinosaur tracker," 16 June 2018 Likewise, geologic activity in the Earth’s core, earthquakes, ocean currents, and seasonal wind changes can also speed up or slow down the planet’s rotation. Brian Resnick, Vox, "The winter solstice is Friday: 8 things to know about the shortest day of the year," 18 Dec. 2018 Using a new statistical method called astrochronology, astronomers peered into Earth's deep geologic past and reconstructed the planet's history. Samantha Mathewson,, "Days on Earth Are Getting Longer, Thanks to the Moon," 5 June 2018 This will be a geologic treasure hunt as the rover scouts around for rocks that have signs of microbial life and them stash them for a future retrieval mission, though that mission remains currently unfunded. Joe Pappalardo, Popular Mechanics, "What Human Beings Can Teach Aliens About Probing the Solar System," 5 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geologic.' 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 geologic

1791, in the meaning defined above

History and Etymology for geologic

see geology

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Statistics for geologic

Last Updated

8 Feb 2019

Look-up Popularity

Time Traveler for geologic

The first known use of geologic was in 1791

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More Definitions for geologic


geo·​log·​ic | \ ˌjē-ə-ˈlä-jik \
variants: or geological \ -​ji-​kəl \

Kids Definition of geologic

: of or relating to geology geologic formations

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More from Merriam-Webster on geologic

Rhyming Dictionary: Words that rhyme with geologic

Spanish Central: Translation of geologic

Nglish: Translation of geologic for Spanish Speakers

Britannica English: Translation of geologic for Arabic Speakers

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to express emotion in a dramatic way

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