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 Definitions of EPOCH  [ˈɛp ək;]  

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Definition of 'EPOCH' Random House Webster's College Dictionary 

1. (n.) epoch
a period of time marked by distinctive features, noteworthy events, changed conditions, etc.:
an epoch of peace.

2.  epoch
the beginning of a distinctive period in the history of anything.

3.  epoch
a point of time distinguished by a particular event or state of affairs; a memorable date.

4.  epoch
any of several divisions of a geologic period during which a geologic series is formed.

5.  epoch
an arbitrarily fixed instant of time used as a reference in giving the elements of the orbit of a celestial body.

Etymology:  (1605–15; < NL epocha < Gk epochē pause, check, fixed point in time)

Definition of 'EPOCH' Princeton's WordNet 

1. (noun) era, epoch
a period marked by distinctive character or reckoned from a fixed point or event

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

3. (noun) epoch
a unit of geological time that is a subdivision of a period and is itself divided into ages


Definition of 'EPOCH' Webster Dictionary 

1. (noun) EPOCH
a fixed point of time, established in history by the occurrence of some grand or remarkable event; a point of time marked by an event of great subsequent influence; as, the epoch of the creation; the birth of Christ was the epoch which gave rise to the Christian era

2. (noun) EPOCH
a period of time, longer or shorter, remarkable for events of great subsequent influence; a memorable period; as, the epoch of maritime discovery, or of the Reformation

3. (noun) EPOCH
a division of time characterized by the prevalence of similar conditions of the earth; commonly a minor division or part of a period

4. (noun) EPOCH
the date at which a planet or comet has a longitude or position

5. (noun) EPOCH
an arbitrary fixed date, for which the elements used in computing the place of a planet, or other heavenly body, at any other date, are given; as, the epoch of Mars; lunar elements for the epoch March 1st, 1860


Definitions of 'EPOCH' The New Hacker's Dictionary 

1.  EPOCH
[Unix: prob.: from astronomical timekeeping] The time and date corresponding to 0 in an operating system's clock and timestamp values. Under most Unix versions the epoch is 00:00:00 GMT, January 1, 1970; under VMS, it's 00:00:00 of November 17, 1858 (base date of the U.S. Naval Observatory's ephemerides); on a Macintosh, it's the midnight beginning January 1 1904. System time is measured in seconds or ticks past the epoch. Weird problems may ensue when the clock wraps around (see wrap around), which is not necessarily a rare event; on systems counting 10 ticks per second, a signed 32-bit count of ticks is good only for 6.8 years. The 1-tick-per-second clock of Unix is good only until January 18, 2038, assuming at least some software continues to consider it signed and that word lengths don't increase by then. See also wall time. Microsoft Windows, on the other hand, has an epoch problem every 49.7 days — but this is seldom noticed as Windows is almost incapable of staying up continuously for that long.


Translation of 'EPOCH' Kernerman English Multilingual Dictionary 

Sense: (the start of) a particular period of history, development etc
The invention of printing marked an epoch in the history of education.

Afrikaans flag Afrikaans: epog Arabic flag Arabic: عَصْر Bulgarian flag Bulgarian: епоха
Brazilian flag Brazilian: época Czech flag Czech: epocha, mezník German flag German: die Epoche
Danish flag Danish: epoke Greek flag Greek: εποχή Spanish flag Spanish: época
Estonian flag Estonian: ajajärk Farsi flag Farsi: آغاز دوران Finnish flag Finnish: aikakausi
French flag French: époque Hebrew flag Hebrew: תְּקוּפָה Hindi flag Hindi: युग
Croatian flag Croatian: epoha, razdoblje Hungarian flag Hungarian: kor(szak) Indonesian flag Indonesian: jaman
Icelandic flag Icelandic: tímamót Italian flag Italian: epoca Japanese flag Japanese: 新時代
Korean flag Korean: (획기적이고도 특색있는) 시대, 시기 Lithuanian flag Lithuanian: epocha Latvian flag Latvian: laikmets
Malay flag Malay: zaman Dutch flag Dutch: tijdperk Norwegian flag Norwegian: tid(salder), epoke
Polish flag Polish: epoka Persian flag Persian: آغاز دوران Pashto flag Pashto: دوره، عصر، زمانه
Portuguese flag Portuguese: época Romanian flag Romanian: epocă Russian flag Russian: эпоха
Slovak flag Slovak: epocha, medzník Slovenian flag Slovenian: doba Serbian flag Serbian: epoha
Swedish flag Swedish: epok Thai flag Thai: ช่วงเวลาสำคัญในอดีต Turkish flag Turkish: çağ, devir
Taiwanese flag Taiwanese: 時代,新紀元 Ukrainian flag Ukrainian: епоха, доба Urdu flag Urdu: کسی عہد کی ابتدا
Vietnamese flag Vietnamese: kỷ nguyên Chinese flag Chinese: 时代,新纪元

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'EPOCH' - Nearby Entries  

epizootic  epkwele  epoch  epoch-making  epochal  epona  eponym  



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