epoch

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Pronunciation

• (British) IPA: /ˈiːˌpɒk/, /ˈɛp.ək/
• (America) IPA: /ˈɛp.ək/, /ˈɛpˌɑk/, /ˈiˌpɑk/, /ˈeɪˌpɑk/

Noun

epoch (plural epochs)

1. A particular period of history, especially one considered noteworthy or remarkable.
2. A notable event which marks the beginning#Noun|beginning of such a period.
3. (astronomy) A precise instant of time#Noun|time that is used as a point of reference.
4. (computing) Uses in computing.
   1. A precise instant of time that is used as a point of reference (e.g., January 1, 1970, 00:00:00 UTC).
   2. One complete presentation of the training#Noun|training data set to an iterative machine learning algorithm; generation.

      The neural network was trained over 500 epochs.

5. (geology) A unit of geologic time subdividing a period into smaller parts.

Synonyms

• (particular period in history) age, era (only in general usage; in geology the words age, epoch, and era have specific meanings)

Related terms

• epochal
• epoche, epoché
• epochless

Translations

• French: époque, ère, période
• German: Epoche, Ära
• Italian: epoca
• Portuguese: época, era
• Russian: эпо́ха
• Spanish: época

Translations

• French: singularité, évènement
• Italian: avvenimento, singolarità

Translations

• Italian: orario epocale, epoca

Translations

• Italian: epoca

Translations

• German: Epoche

Verb

epoch (epochs, present participle epoching; past and past participle epoched)

1. (sciences, transitive) To divide (data) into segments by time period.

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