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Examples of geologic time in a Sentence
Recent Examples on the Web
After Ernest Rutherford first suggested using the decay of radioactive elements to measure geologic time, the Geologic Time Scale began to change.
—Erik Klemetti, Discover Magazine, 7 Mar. 2024
Still, to qualify for its own entry on the geologic time scale, the Anthropocene would have to be defined in a very particular way, one that would meet the needs of geologists and not necessarily those of the anthropologists, artists and others who are already using the term.
—Raymond Zhong, New York Times, 5 Mar. 2024
Ezcurra said that three pieces of information were necessary to do this: knowing where each species fits on the evolutionary tree, the geographic location of the species as indicated by fossil discoveries, and its place in geologic time.
—Jeanne Timmons, Ars Technica, 16 Aug. 2023
That meteorite started a whole new era, scientists propose humans started a new epoch which is a much smaller geologic time period.
—Seth Borenstein, Los Angeles Times, 11 July 2023
While that meteorite started a whole new era, the working group is proposing that humans only started a new epoch, which is a much smaller geologic time period.
—Seth Borenstein, Anchorage Daily News, 11 July 2023
Deep, deep in geologic time, some 600 million or 700 million years ago, the very first animals evolved on Earth.
—Viviane Callier, Scientific American, 17 May 2023
But the fact that the area had not seen any land movement in four decades means little in the grand scope of geologic time, and the forces and probabilities involved in geologic events, Robins said.
—Grace Toohey, Los Angeles Times, 11 July 2023
Scientists agree that more action is needed to limit depletion of groundwater that accumulated over geologic time scales.
—Jack Lee, San Francisco Chronicle, 19 Feb. 2023
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.
Word History
First Known Use
1861, in the meaning defined above
Dictionary Entries Near geologic time
Cite this Entry
“Geologic time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geologic%20time. Accessed 18 Mar. 2024.
Kids Definition
geologic time
noun
: the long period of time marked by events in the earth's geological history
More from Merriam-Webster on geologic time
Britannica.com: Encyclopedia article about geologic time
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