noun Date: 1893 the chronology of the past as indicated by geologic data, the study of ~, geochronological also geochronologic adjective geochronologically adverb geochronologist noun
GEOCHRONOLOGY
Meaning of GEOCHRONOLOGY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012