Definition of epoch

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Epoch (n.) The date at which a planet or comet has a longitude or position.

Lern More About Epoch

Incunabulum :: Incunabulum (n.) A work of art or of human industry, of an early epoch; especially, a book printed before a. d. 1500..
Liriodendron :: Liriodendron (n.) A genus of large and very beautiful trees of North America, having smooth, shining leaves, and handsome, tuliplike flowers; tulip tree; whitewood; -- called also canoewood. Liriodendron tulipifera is the only extant species, but there were several others in the Cretaceous epoch..
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..
Archaeology :: Archaeology (n.) The science or study of antiquities, esp. prehistoric antiquities, such as the remains of buildings or monuments of an early epoch, inscriptions, implements, and other relics, written manuscripts, etc..
Medina Epoch :: Medina epoch () A subdivision of the Niagara period in the American upper Silurian, characterized by the formations known as the Oneida conglomerate, and the Medina sandstone. See the Chart of Geology..
Trenton Period :: Trenton period () A subdivision in the lower Silurian system of America; -- so named from Trenton Falls, in New York. The rocks are mostly limestones, and the period is divided into the Trenton, Utica, and Cincinnati epochs. See the Chart of Geology..
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..
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..
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..
Era :: Era (n.) A period of time in which a new order of things prevails; a signal stage of history; an epoch.
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..
Recent :: Recent (a.) Of or pertaining to the present or existing epoch; as, recent shells..
Epoch :: Epoch (n.) 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..
Epoch :: Epoch (n.) 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..
Chronogram :: Chronogram (n.) An inscription in which certain numeral letters, made to appear specially conspicuous, on being added together, express a particular date or epoch, as in the motto of a medal struck by Gustavus Adolphus in 1632: ChrIstVs DVX; ergo trIVMphVs.- the capitals of which give, when added as numerals, the sum 1632..
Epocha :: Epocha (n.) See Epoch.
Renaissance :: Renaissance (n.) The style of art which prevailed at this epoch.
Era :: Era (n.) A fixed point of time, usually an epoch, from which a series of years is reckoned..
Pleistocene :: Pleistocene (n.) The Pleistocene epoch, or deposits..
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