geochronology

[ jee-oh-kruh-nol-uh-jee ]
/ ˌdʒi oʊ krəˈnɒl ə dʒi /

noun

the chronology of the earth, as based on both absolute and relative methods of age determination.

Origin of geochronology

First recorded in 1890–95; geo- + chronology
Related formsge·o·chron·o·log·ic [jee-oh-kron-l-oj-ik] /ˌdʒi oʊˌkrɒn lˈɒdʒ ɪk/, ge·o·chron·o·log·i·cal, adjectivege·o·chro·nol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for geochronology

geochronology

/ (ˌdʒiːəʊkrəˈnɒlədʒɪ) /

noun

the branch of geology concerned with ordering and dating of events in the earth's history, including the origin of the earth itself
Derived Formsgeochronological (ˌdʒiːəʊˌkrɒnəˈlɒdʒɪkəl), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for geochronology

geochronology


n.

1893, from geo- + chronology.

Online Etymology Dictionary, © 2010 Douglas Harper