How to Use geologic time in a Sentence
geologic time
noun-
Five million years is an eyeblink in geologic time.
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Peter Brannen,
Quanta Magazine,
15 Sep. 2025
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The Moon has no meaningful atmosphere, and its surface is frozen in geologic time.
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Stephen Clark,
ArsTechnica,
9 Apr. 2026
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Readers will enjoy a tour through geologic time, discovering how plants and animals evolved.
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Richard Horan,
Christian Science Monitor,
7 Mar. 2025
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For Rebillard, the fossil is also proof that all three prey species not only lived together in the same geologic time but also died together in the same week or even day.
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Meghan Bartels,
Scientific American,
18 Feb. 2026
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Over geologic time, meteorite hits on the lunar landscape have stirred up the fluffy regolith, with He-3 being distributed down to several meters in depth.
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Leonard David,
Space.com,
30 Sep. 2025
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That’s a big deal because plate tectonics is our master story for how Earth recycles rock, drives volcanism and mountain-building, and modulates climate over geologic time.
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Kaif Shaikh,
Interesting Engineering,
11 Sep. 2025
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The river tumbles and seethes through 278 miles of Grand Canyon National Park, taking its geologic time in carving a trench now deeper than a mile.
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Brandon Loomis,
AZCentral.com,
15 Dec. 2025
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Some of that water may later be released under changing pressure and temperature conditions in Earth’s interior and returned to the surface over geologic time.
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Divya Dubey,
Encyclopedia Britannica,
31 Mar. 2026
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Though in geologic time, the advent of the Industrial Revolution is only a hair’s breadth removed from our current moment, that’s cold comfort to people born after 9/11.
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Hazlitt,
3 Dec. 2025
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His backing musicians kick up dust, eschewing the post-rock pomp favored by his contemporary Chuck Johnson in favor of riverine structures that reflect the geologic time scale Walker wanted to capture here.
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Daniel Bromfield,
Pitchfork,
11 Feb. 2026
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Ordovician Period Ordovician Period, in geologic time, the second period of the Paleozoic Era.
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Encyclopedia Britannica,
2 Apr. 2026
Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'geologic time.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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