Epoch Meaning

There are 3 meaning(s) for word Epoch

Meaning 1 : a period marked by distinctive character or reckoned from a fixed point or event

    Synonyms : era
Meaning 2 : (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded

    Synonyms : date of reference
Meaning 3 : a unit of geological time that is a subdivision of a period and is itself divided into ages