chro·nol·o·gy 
/krəˈnɑ:ləʤi/ noun
plural chro·nol·o·gies /krəˈnɑ:ləʤi/ noun 1 a [noncount] : the order in which a series of events happened
▪ We tried to reconstruct the chronology of the accident.
b [count] : a record of the order in which a series of events happened
▪ The book provides a chronology of the events leading up to the American Civil War. 2 [noncount] : a science that deals with measuring time and finding out when events happened
▪ We tried to reconstruct the chronology of the accident.
b [count] : a record of the order in which a series of events happened
▪ The book provides a chronology of the events leading up to the American Civil War.
