adjective Etymology: Latin Ordovices, ancient people in northern Wales Date: 1879 of, relating to, or being the period between the Cambrian and the Silurian or the corresponding system of rocks — see geologic time table • Ordovician noun

New Collegiate Dictionary. 2001.

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  • Ordovician — Period 488.3–443.7 million years ago …   Wikipedia

  • ordovician — ORDOVICIÁN, Ă, ordovicieni, e, s.n., adj. 1. s.n. A doua perioadă a paleozoicului. 2. adj. Care se referă la ordovician (1) sau la formaţiile din această perioadă. [pr.: ci an] – Din fr. ordovicien. Trimis de ionel bufu, 09.05.2004. Sursa: DEX 98 …   Dicționar Român

  • Ordovician — [ôr΄də vish′ən] adj. [< L Ordovices, ancient Celtic tribe in Wales] [sometimes o ] designating or of the second geologic period of the Paleozoic Era, characterized by the development of abundant marine invertebrates and the first vertebrates… …   English World dictionary

  • Ordovician — Or do*vi cian, a. [From L. Ordovices, a Celtic people in Wales.] (Geol.) Of or pertaining to a division of the Silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian. n. The Ordovician… …   The Collaborative International Dictionary of English

  • Ordovician — (adj.) geological period following the Cambrian and preceding the Silurian, 1879, coined by English geologist Charles Lapworth (1842 1920) from L. Ordovices, name of an ancient British tribe in North Wales. The period so called because rocks from …   Etymology dictionary

  • Ordovician — ► ADJECTIVE Geology ▪ relating to the second period of the Palaeozoic era (between the Cambrian and Silurian periods), about 510 to 439 million years ago, a time when the first vertebrates appeared. ORIGIN from Ordovices, the Latin name of an… …   English terms dictionary

  • Ordovician — /awr deuh vish euhn/, Geol. adj. 1. noting or pertaining to a geologic period of the Paleozoic Era, from 500 million to 425 million years ago, notable for the advent of fish. See table at GEOLOGIC TIME. n. 2. the Ordovician Period or System.… …   Universalium

  • Ordovician — 1. adjective Of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 488 to 443 million years ago. 2. noun The Ordovician period …   Wiktionary

  • Ordovician — Or•do•vi•cian [[t]ˌɔr dəˈvɪʃ ən[/t]] adj. 1) gel noting or pertaining to a geologic period of the Paleozoic Era, from 500 million to 425 million years ago, notable for the advent of fish 2) gel the Ordovician Period or System • Etymology: 1879;… …   From formal English to slang

  • Ordovician — ordovikas statusas T sritis ekologija ir aplinkotyra apibrėžtis Žemės geologinės istorijos paleozojaus eros antrasis periodas, buvęs po kambro, prieš silūrą; per tą laikotarpį susidariusių uolienų sistema. Prasidėjo Ordovician500 mln. m., truko… …   Ekologijos terminų aiškinamasis žodynas

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