geologic

adjective geo·log·ic \ ˌjē-ə-ˈlä-jik \

variants: or geological play \ˌjē-ə-ˈlä-ji-kəl\

Updated on: 17 May 2018

Definition of geologic

: of, relating to, or based on geology

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geologically

play \ˌjē-ə-ˈlä-ji-k(ə-)lē\ adverb

Recent Examples of geologic from the Web

But Hawaii tourism officials have consistently reminded travelers that the island chain is vast and most popular island destinations are several hundred miles from the geologic activity.

— ben abramson, USA TODAY, "Hawaii travel update: Visitors unaffected by volcanoes," 14 May 2018
Dave Walsh/VW Pics/UIG/Getty Images Its last eruption was 664,000 years ago, before humans walked the earth, and was thousands of times more powerful than an average volcanic eruption based on the geologic record.

— umair irfan, Vox, "Volcanoes are awe-inspiring. Here are 7 things to know about them.," 11 May 2018
The spacecraft will take more than six months to get to Mars and start its unprecedented geologic excavations, traveling 300 million miles (485 million kilometers) to get there.

— marcia dunn, BostonGlobe.com, "NASA launches InSight spacecraft to Mars to dig down deep," 5 May 2018
But even without plates, Mars on occasion rumbles—with Marsquakes, a geologic phenomenon that InSight investigators want to study.

— justin bachman, Bloomberg.com, "Before We Go to Mars, Lander Will Check for ‘Marsquakes’," 5 May 2018
Say it again: Bears Ears, a landscape marked by two mesas climbing out of the Utah desert, geologic high marks overseeing a sacred region of canyons and cliff dwellings.

— abe streep, Outside Online, "The Tribes v. Donald Trump," 1 May 2018
Based on atmosphere and ocean data from the geologic rock record, the new study identifies the presence of methane (CH4), nitrogen gas (N2), carbon dioxide (CO2), and liquid water (H2O) as a possible biosignature.

— jay bennett, Popular Mechanics, "A New Way To Search for the Telltale Signs of Life on Distant Exoplanets," 24 Jan. 2018
But the researchers are uncertain about the composition and slipperiness of that geologic bowl.

— paul voosen, Science | AAAS, "U.S.-U.K. science armada to target vulnerable Antarctic ice sheet," 30 Apr. 2018
There’s even a stone hut there called the Geology Hut, with an exhibit offering facts on the area’s geologic history.

— San Francisco Chronicle, "Insider: Yosemite geologist shares his park favorites," 25 Apr. 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.