Epoch meaning

What does “epoch” mean? Definitions, examples, synonyms and opposites.

“epoch” is a noun with 3 meanings. Its most common meaning is: a period marked by distinctive character or reckoned from a fixed point or event.

epoch

a period marked by distinctive character or reckoned from a fixed point or event
Synonymsera
(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
Synonymsdate of reference
a unit of geological time that is a subdivision of a period and is itself divided into ages

Source: WordNet 3.1, Princeton University