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epoch

ep·och

epoch

 
 
pronunciation:
e pk
features:
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part of speech: noun
definition 1: a distinct or notable period in human history.
The invention of the personal computer started a new epoch in information technology.
synonyms:
age, era, period, times
similar words:
dynasty
definition 2: a memorable date, such as one considered to mark the beginning of a significant division of history.
The publication of Darwin's The Origin of Species marked an epoch in the development of the natural sciences.
similar words:
date, milestone
definition 3: (cap.) a subdivision of a geologic period.
The first animals in the horse family appeared during the Eocene Epoch.
similar words:
age, period
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derivation: epochal (adj.)
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