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epoch vs geologic time

geologic time vs epoch

epoch and geologic time both are nouns.

Word NounAdjectiveVerbAdverb
epoch Yes No No No
geologic time Yes No No No
As nouns, geologic time is a hypernym of epoch; that is, geologic time is a word with a broader meaning than epoch:
  • epoch: a unit of geological time that is a subdivision of a period and is itself divided into ages
  • geologic time: the time of the physical formation and development of the earth (especially prior to human history)
Other hypernyms of epoch include geological time.
epoch (noun) geologic time (noun)
a period marked by distinctive character or reckoned from a fixed point or event the time of the physical formation and development of the earth (especially prior to human history)
a unit of geological time that is a subdivision of a period and is itself divided into ages
(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
Difference between epoch and geologic time

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