epoch

Fetched 2026-10-26 (cache).

Synonyms: enoch, poch, epoc, epoca, epocs

Antonyms: enoch, poch, epoc, epoca, epocs

Related words from Datamuse; suggestions, not definitions.

Noun

1. A particular [[period]] of [[history]], or of a person's [[life]], ''especially'' one considered [[noteworthy]] or [[remarkable]].
2. A [[notable]] [[event]] which marks the [[beginning#Noun|beginning]] of such a period.
3. {{lb|en|chronology|astronomy|computing}} A specific [[instant]] in time, chosen as the [[point of reference]] or [[zero]] value of a system that involves identifying instants of time.
4. {{senseid|en|geology}}{{lb|en|geology}} A [[geochronologic]] [[unit]] of [[hundred]]s of [[thousand]]s to [[million]]s of [[year]]s; a [[subdivision]] of a [[period]], and [[subdivided]] into [[age]]s (or sometimes [[subepoch]]s).
5. {{lb|en|ML}} One complete [[presentation]] of the [[training#Noun|training]] [[data]] set to an [[iterative]] [[machine learning]] [[algorithm]].

Verb

1. {{lb|en|sciences|transitive}} To [[divide]] (data) into [[segment]]s by [[time]] [[period]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.