[ jee-oh-kruh-nom-i-tree ]

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

Origin of geochronometry

First recorded in 1920–25; geo- + chronometry

Other words from geochronometry

  • ge·o·chron·o·met·ric [jee-oh-kron-uh-me-trik], /ˌdʒi oʊˌkrɒn əˈmɛ trɪk/, adjective

Words Nearby geochronometry Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

Scientific definitions for geochronometry


[ jē′ō-krə-nŏmĭ-trē ]

  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.