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天火字典

英英字典: epoch


KK Pronunciation

〔 ˋєpәk 〕

Pronunciation

〔 ˊiːpɒk 〕


Overview of noun epoch

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)

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