Source : Webster's Revised Unabridged Dictionary (1913)

Chronology \Chro*nol"o*gy\, n.; pl. {Chronologies}. [Gr. ?; ?
   time + ? discourse: cf. F. chronologie.]
   The science which treats of measuring time by regular
   divisions or periods, and which assigns to events or
   transactions their proper dates.

         If history without chronology is dark and confused,
         chronology without history is dry and insipid. --A.
                                                  Holmes.