the determination of the absolute age of earth materials, as by radiometric dating.

1920–25; geo- + chronometry

geochronometric [jee-oh-kron-uh-me-trik] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
geochronometry   (jē'ō-krə-nŏm'ĭ-trē)  Pronunciation Key 
The measurement of geologic time using absolute measures, such as radiometric dating, or relative measures, such as determining the sequence of deposition of rock strata.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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