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epoch

ep·och / ˈepək/ • n. a period of time in history or a person's life, typically one marked by notable events or particular characteristics: the Victorian epoch. ∎  the beginning of a distinctive period in the history of someone or something: Jewish reimmigration to Palestine marked an epoch in the history of Jewry. ∎  Geol. a division of time that is a subdivision of a period and is itself subdivided into ages: the Pliocene epoch.

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epoch

epoch One of the intervals of geologic time recommended by the International Subcommission on Stratigraphic Terminology. An epoch is ranked as a third-order time unit, and is the equivalent of the chrono-stratigraphic unit series. Several epochs form a period; several periods an era. Epochs are themselves subdivided into ages. When used formally, the initial letter is capitalized, e.g. Early Devonian Epoch.

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"epoch." A Dictionary of Earth Sciences. . Encyclopedia.com. 21 Apr. 2018 <http://www.encyclopedia.com>.

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epoch

epoch One of the intervals of geological time recommended by the International Subcommission on Stratigraphic Terminology. An epoch is ranked as a third-order time unit, and is the equivalent of the chronostratigraphic unit ‘series’. Several epochs form a period, several periods an era. When used formally, the initial letter is capitalized (e.g. Early Devonian Epoch).

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"epoch." A Dictionary of Ecology. . Encyclopedia.com. 21 Apr. 2018 <http://www.encyclopedia.com>.

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epoch

epoch One of the intervals of geological time recommended by the International Subcommission on Stratigraphic Terminology. An epoch is ranked as a third-order time unit, and is the equivalent of the chronostratigraphic unit ‘series’. Several epochs form a period; several periods an era. When used formally, the initial letter is capitalized, e.g. Early Devonian Epoch.

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epoch

epoch, unit of geologic time that is a subdivision of a period. The Pleistocene and Holocene epochs, for example, are divisions of the Quaternary period. Epoch is also used to describe a short length of geologic time during a special occurrence, such as the glacial epoch. See geology; Geologic Timescale (table).

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epoch

epoch The time interval between successive elements of a discrete-time signal, or between the discrete-time samples of a continuous-time signal (see discrete and continuous systems). Usually, for a given signal, the epochs are of a fixed size.

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epoch

epoch XVII. — modL. epocha — Gr. epokhḗ stoppage, station, fixed point of time, f. epékhein stop, take up a position, f. EPI- + ékhein hold, intr. be in a certain state.

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"epoch." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 21 Apr. 2018 <http://www.encyclopedia.com>.

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Epoche

Epoche (bracketing out): see PHENOMENOLOGY.

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"Epoche." The Concise Oxford Dictionary of World Religions. . Encyclopedia.com. 21 Apr. 2018 <http://www.encyclopedia.com>.

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epoch

epoch •matchlock • padlock • armlock •Belloc •deadlock, headlock, wedlock •hemlock • fetlock • airlock •breeze block • gridlock • ziplock •flintlock • Shylock •forelock, oarlock, warlock •roadblock • woodblock • sunblock •gunlock • lovelock • firelock •hammerlock • fetterlock • interlock •Enoch • kapok • epoch • shamrock •bedrock • pibroch • Sheetrock •Ragnarök • bedsock • windsock •shell shock • aftershock • fatstock •Bartók •deadstock, headstock •penstock • tailstock • feedstock •tick-tock • laughing stock • livestock •nostoc, Rostock, Vladivostok, Vostok •rootstock • Woodstock • bloodstock •gunstock

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