geo·​chro·​nol·​o·​gy ˌjē-ō-krə-ˈnä-lə-jē How to pronounce geochronology (audio)
: the chronology of the past as indicated by geologic data
: the study of geochronology
geochronological adjective
or less commonly geochronologic
geochronologically adverb
geochronologist noun

Example Sentences

Recent Examples on the Web The field of geochronology is dedicated to dating Earth’s geologic materials. New York Times, 20 July 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 Herries, who specializes in geochronology, says the Drimolen site is a bit different. Brian Handwerk, Smithsonian Magazine, 2 Apr. 2020 As a result of her work, the world would learn fundamental details of the behavior of atoms and how radioactivity could be used as a clock in studying the earth’s history, informing the modern practice of geochronology. New York Times, 28 Aug. 2019 The next generation of rovers are gonna half to brush up on their geochronology. Brian Romans, WIRED, 12 Apr. 2007

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geochronology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1893, in the meaning defined at sense 1

Time Traveler
The first known use of geochronology was in 1893

Dictionary Entries Near geochronology

Cite this Entry

“Geochronology.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2022.

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