Epoch

nounid 54303·updated May 18, 2026
verified

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

polysemous

Attested in

No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier

Sensitivity

unclassified

Information Class

unclassified

Variants

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

Framework definitions

Wordset Dictionary3 sensesview framework →
§1
a unit of geological time that is a subdivision of a period and is itself divided into ages
§2
a period marked by distinctive character or reckoned from a fixed point or event
§3
(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
DR-088 backfill from the noun definition column

Outgoing relationships

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This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.