from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The science that deals with the determination of dates and the sequence of events.
  • n. The arrangement of events in time.
  • n. A chronological list or table.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the science of determining the order in which events occurred.
  • n. an arrangement of events into chronological order; called a timeline when involving graphical elements.

from the GNU version of the Collaborative International Dictionary of English

  • n. The science which treats of measuring time by regular divisions or periods, and which assigns to events or transactions their proper dates.

from The Century Dictionary and Cyclopedia

  • n. The science of time.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an arrangement of events in time
  • n. a record of events in the order of their occurrence
  • n. the determination of the actual temporal sequence of past events


From chrono- (“relating to time”) + -logy (“study of, account of”), after New Latin chronologia. (Wiktionary)



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