geo·​chro·​nol·​o·​gy | \ˌjē-ō-krə-ˈnä-lə-jē \

Definition of geochronology 

1 : the chronology of the past as indicated by geologic data

2 : the study of geochronology

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Other Words from geochronology

geochronological \ˌjē-​ō-​ˌkrä-​nə-​ˈlä-​ji-​kəl, -​ˌkrō-​ \ or less commonly geochronologic \ˌjē-​ō-​ˌkrä-​nə-​ˈlä-​jik, -​ˌkrō-​ \ adjective
geochronologically \ˌjē-​ō-​ˌkrä-​nə-​ˈlä-​ji-​k(ə-​)lē, -​ˌkrō-​ \ adverb
geochronologist \ˌjē-​ō-​krə-​ˈnä-​lə-​jist \ noun

Examples of geochronology in a Sentence

Recent Examples on the Web

The next generation of rovers are gonna half to brush up on their geochronology. Brian Romans, WIRED, "Inverted depositional features on Mars," 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.

First Known Use of geochronology

1893, in the meaning defined at sense 1

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The first known use of geochronology was in 1893

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More from Merriam-Webster on geochronology

Nglish: Translation of geochronology for Spanish Speakers Encyclopedia article about geochronology

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