geochronometry

Noun.  the science of the measurement of the age of rocks etc. based on the radioactive decay of naturally occurring isotopes.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.