Main Entry: geo·chro·nol·o·gy

Pronunciation: \-krə-ˈnä-lə-jē\

Function: noun

Date: 1893

1 : the chronology of the past as indicated by geologic data
2 : the study of geochronology

— geo·chro·no·log·i·cal \-ˌkrä-nə-ˈlä-ji-kəl, -ˌkrō-\ also geo·chro·no·log·ic \-ˈä-jik\ adjective

— geo·chro·no·log·i·cal·ly \-ji-k(ə-)lē\ adverb

— geo·chro·nol·o·gist \-krə-ˈnä-lə-jist\ noun