different between epoch vs duration

English

Alternative forms

• epocha [17th–19th c.]

Etymology

From Medieval Latin epocha, from Ancient Greek ????? (epokh?, “a check, cessation, stop, pause, epoch of a star, i.e., the point at which it seems to halt after reaching the highest, and generally the place of a star; hence, a historical epoch”), from ????? (epékh?, “I hold in, check”), from ???- (epi-, “upon”) + ??? (ékh?, “I have, hold”).

Pronunciation

• (UK) IPA^(key): /?i?p?k/, /??p?k/
• (US) IPA^(key): /??p.?k/, /??p??k/, /?i?p?k/, /?e??p?k/

Noun

epoch (plural epochs)

1. A particular period of history, especially one considered noteworthy or remarkable.

   Synonyms: age, (only in general usage) era
2. A notable event which marks the beginning of such a period.
3. (astronomy) A precise instant of time that is used as a point of reference.
4. (computing) A precise instant of time that is used as a point of reference (e.g., January 1, 1970, 00:00:00 UTC).
5. (computing) One complete presentation of the training data set to an iterative machine learning algorithm; generation.

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

Related terms

• epochal
• epoche, epoché
• epochless

Translations

Verb

epoch (third-person singular simple present epochs, present participle epoching, simple past and past participle epoched)

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

Further reading

• epoch in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• epoch in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• epoch at OneLook Dictionary Search

Anagrams

• Poche, chope, poché

English

Etymology

From Middle English duracioun, from late Old French duracion, from Medieval Latin d?r?ti?.

Pronunciation

• (UK) IPA^(key): /dj???e??n?/, /d????e??n?/
• (US) IPA^(key): /d???e??n?/, /dj???e??n?/
• Rhymes: -e???n

Noun

duration (countable and uncountable, plural durations)

1. An amount of time or a particular time interval.

2. (in the singular, not followed by "of") The time taken for the current situation to end, especially the current war

3. (finance) A measure of the sensitivity of the price of a financial asset to changes in interest rates, computed for a simple bond as a weighted average of the maturities of the interest and principal payments associated with it.

Translations

See also

• Duration (disambiguation) on Wikipedia.Wikipedia
• Bond duration on Wikipedia.Wikipedia
• dictionary.reference.com entry

Anagrams

• drain out

Middle French

Etymology

From late Old French duracion, borrowed from Latin d?r?ti?, d?r?ti?nem.

Noun

duration f (plural durations)

1. duration (length with respect to time)