geochronology noun.
[dʒi:ǝʊkrǝ'nɒlǝdʒi] L19.[from GEO- + CHRONOLOGY.]The chronology of the earth; the measurement of geological time and the ordering of geological events.
■ geochrono'logical adjective M20. ■ geochrono'logically adverb M20. ■ geochro'nologist noun M20. [TahlilGaran] English Dictionary ▲