Epoch - definition, pronunciation, transcription

Amer.  |ˈepək|  American pronunciation of the word epoch
Brit.  |ˈiːpɒk|  British pronunciation of the word epoch


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


The Civil War era was an epoch in 19th-century U.S. history.

The development of the steam engine marked an important epoch in the history of industry.

The king's death marked the end of an epoch.

the beginning of a new epoch

the zoology of the Pliocene epoch

Word forms

singular: epoch
plural: epochs
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