Epoch

nounverified·updated May 18, 2026

(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded

polysemousWordset Dictionary

Senses

Wordset Dictionary

a unit of geological time that is a subdivision of a period and is itself divided into ages

Wordset Dictionary

a period marked by distinctive character or reckoned from a fixed point or event

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

synonym
date of referenceera
plural
Epochs
possessive
Epoch's
pluralpossessive
Epochs'