Definition of epoch

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Epoch (n.) A division of time characterized by the prevalence of similar conditions of the earth; commonly a minor division or part of a period.

Lern More About Epoch

Epi- :: Epi- () A prefix, meaning upon, beside, among, on the outside, above, over. It becomes ep-before a vowel, as in epoch, and eph-before a Greek aspirate, as in ephemeral..
Chemung Period :: Chemung period () A subdivision in the upper part of the Devonian system in America, so named from the Chemung River, along which the rocks are well developed. It includes the Portage and Chemung groups or epochs. See the Diagram under Geology..
Score :: Score (n.) To mark with parallel lines or scratches; as, the rocks of New England and the Western States were scored in the drift epoch..
Epocha :: Epocha (n.) See Epoch.
Diluvial :: Diluvial (a.) Effected or produced by a flood or deluge of water; -- said of coarse and imperfectly stratified deposits along ancient or existing water courses. Similar unstratified deposits were formed by the agency of ice. The time of deposition has been called the Diluvian epoch.
Surcrew :: Surcoat (n.) A name given to the outer garment of either sex at different epochs of the Middle Ages.
Pleistocene :: Pleistocene (n.) The Pleistocene epoch, or deposits..
Horizon :: Horizon (n.) The epoch or time during which a deposit was made.
Fauna :: Fauna (n.) The animals of any given area or epoch; as, the fauna of America; fossil fauna; recent fauna..
Hamilton Period :: Hamilton period () A subdivision of the Devonian system of America; -- so named from Hamilton, Madison Co., New York. It includes the Marcellus, Hamilton, and Genesee epochs or groups. See the Chart of Geology..
Epochal :: Epochal (a.) Belonging to an epoch; of the nature of an epoch.
Era :: Era (n.) A fixed point of time, usually an epoch, from which a series of years is reckoned..
Accession :: Accession (n.) The act of coming to or reaching a throne, an office, or dignity; as, the accession of the house of Stuart; -- applied especially to the epoch of a new dynasty..
Renaissance :: Renaissance (n.) The style of art which prevailed at this epoch.
Epoch :: Epoch (n.) The date at which a planet or comet has a longitude or position.
Genesee Epoch :: Genesee epoch () The closing subdivision of the Hamilton period in the American Devonian system; -- so called because the formations of this period crop out in Genesee, New York..
Epoch :: Epoch (n.) 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..
Chazy Epoch :: Chazy epoch () An epoch at the close of the Canadian period of the American Lower Silurian system; -- so named from a township in Clinton Co., New York. See the Diagram under Geology..
Carving :: Carving (n.) The whole body of decorative sculpture of any kind or epoch, or in any material; as, the Italian carving of the 15th century..
Epoch :: Epoch (n.) A division of time characterized by the prevalence of similar conditions of the earth; commonly a minor division or part of a period.
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