epoch

/หˆeษชหŒpษ‘k/

IPA: /EH1 P AH0 K/

noun
  1. 1

    A particular period of history, especially one considered noteworthy or remarkable.

  2. 2

    A notable event which marks the beginning of such a period.

  3. 3

    A precise instant of time that is used as a point of reference.

  4. 4

    Uses in computing.

  5. 5

    A unit of geologic time subdividing a period into smaller parts.

Synonyms

verb
  1. 1

    To divide (data) into segments by time period.

Source: https://en.wiktionary.org/wiki/epoch