SkyfireDict

epoch   (TTS Sound)

The noun epoch has 3 senses

• era, epoch -- (a period marked by distinctive character or reckoned from a fixed point or event)


• epoch, date of reference -- ((astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded)


• epoch -- (a unit of geological time that is a subdivision of a period and is itself divided into ages)