geochronometry: Meaning and Definition of

ge•o•chro•nom•e•try

Pronunciation: ( jē"ō-kru-nom'i-trē), [key]
— n.
  1. the determination of the absolute age of earth materials, as by radiometric dating.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.