epoch

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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 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 ★★½ 2000 (PG-13)

Alien monolith suddenly appears and hovers over Bhutan, seemingly causing world-wide power disruptions and earthquakes. National security adviser Lysander (O'Neal) assigns special ops Kasia Czaban (Niznik) and weapons specialist Mason Rand (Keith) to figure out just what the object is—and wants—and, if necessary, to destroy it. 97m/C VHS, DVD . David Keith, Stephanie Niznik, Ryan O'Neal, James Hong, Brian Thompson, Craig Wasson, Donna Magnani, Shannon Lee; D: Matt Cold; C: Ken Stipe. CABLE

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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 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 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 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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Epoche (bracketing out): see PHENOMENOLOGY.

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