Synonyms for epoch
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- 1. era, epoch, time period, period of time, period
- usage: a period marked by distinctive character or reckoned from a fixed point or event
- 2. epoch, date of reference, date
- usage: (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
- 3. epoch, geological time, geologic time
- usage: a unit of geological time that is a subdivision of a period and is itself divided into ages