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.
“Glaciers are leaving geologic time and are vanishing in the span of a human lifetime, which is unprecedented,” he says.
From Los Angeles Times ● Aug. 13, 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
Comparing the two examples of the same bone with the same unique features from the same geologic time zone supports their identifications.
From Science Daily ● Apr. 17, 2024
In the geologic time scale, humans barely exist for the span of a breath and, for most of us, that's just long enough to be born into a cruel world and suffer its grief.
From Salon ● Aug. 27, 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.