geochronology
noun
geo·chro·nol·o·gy
ˌjē-ō-krə-ˈnä-lə-jē 
1
: the chronology of the past as indicated by geologic data
2
: the study of geochronology
geochronological
ˌjē-ō-ˌkrä-nə-ˈlä-ji-kəl
adjective
-ˌkrō-
or less commonly geochronologic
ˌjē-ō-ˌkrä-nə-ˈlä-jik
-ˌkrō-
Examples of geochronology in a Sentence
Recent Examples on the Web
The thickness of the crust suggested the tusk was old, but to find out exactly how old, Dr. Blackburn, whose lab at Santa Cruz specializes in geochronology, studied the decay of radioactive materials in samples of the original tusk tip retrieved in 2019.
—
New York Times, 22 Nov. 2021
Baleka and her colleagues used a variety of techniques to study the rate at which the species' ancestors became dwarves, including paleogenetics, geochronology and other dating methods.
—Jeanne Timmons New York Times, Star Tribune, 17 July 2021
Well, geochronology lies in the realm of planetary evolution, understanding what the interior of Mars is made of and how that's evolved over time.
—Corey S. Powell, Discover Magazine, 18 Feb. 2021
Herries, who specializes in geochronology, says the Drimolen site is a bit different.
—Brian Handwerk, Smithsonian Magazine, 2 Apr. 2020
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New York Times, 22 Nov. 2021
Baleka and her colleagues used a variety of techniques to study the rate at which the species' ancestors became dwarves, including paleogenetics, geochronology and other dating methods.
—Jeanne Timmons New York Times, Star Tribune, 17 July 2021
Well, geochronology lies in the realm of planetary evolution, understanding what the interior of Mars is made of and how that's evolved over time.
—Corey S. Powell, Discover Magazine, 18 Feb. 2021
Herries, who specializes in geochronology, says the Drimolen site is a bit different.
—Brian Handwerk, Smithsonian Magazine, 2 Apr. 2020
Cite this Entry
“Geochronology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geochronology. Accessed 4 Nov. 2025.
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