noun🔗ShareA particular period of history, especially one considered noteworthy or remarkable."The invention of the printing press marked the beginning of new epochs in the spread of knowledge. "historytimeperiodChat with AIVocabulary GamePractice Reading
noun🔗ShareA notable event which marks the beginning of such a period."The invention of the printing press marked one of the most important epochs in the history of human communication. "historytimeeventperiodageChat with AIVocabulary GamePractice Reading
noun🔗ShareA precise instant of time that is used as a point of reference."The GPS satellite system uses several epochs, each marking the beginning of a new week in its timekeeping system, to ensure accurate location data. "timehistorygeologyastronomyChat with AIVocabulary GamePractice Reading
noun🔗ShareUses in computing."In analyzing server logs, timestamps are often represented in Unix time, counting the seconds since the beginning of different epochs, such as the standard Unix epoch of January 1, 1970. "computingtimetechnologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA unit of geologic time subdividing a period into smaller parts."Geologists divide the Paleogene period into several epochs, like the Paleocene and the Eocene. "geologytimeChat with AIVocabulary GamePractice Reading