geologic time
Americannoun
Etymology
Origin of geologic time
First recorded in 1860–65
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Beneath it lies the asthenosphere, a hotter and more ductile layer that slowly flows over geologic time.
From Science Daily ● Jun. 28, 2026
"The vast number of fossil whale falls documented, including a new species of beaked whale, is truly amazing and is of major importance to understanding whale evolution and whale distributions over geologic time," he said.
From Barron's ● Jun. 10, 2026
Together, these remnants are helping scientists understand how fires have shaped and been shaped by environmental change through geologic time.
From New York Times ● May 10, 2024
In just over a century — the blink of an eye in geologic time — this land, and humans’ relationship with it, was transformed.
From Seattle Times ● Nov. 26, 2023
If you had been looking for a very long, geologic time, you could have seen the continents them- selves in motion, drifting apart on their crustal plates, held afloat by the fire beneath.
From "The Lives of a Cell" by Lewis Thomas
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.