eifelian

eifelian
eifelián s. n. (sil. -li-an) [ei- pron. germ. ai-]
Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic

EIFELIÁN s.n. (geol.) Primul etaj al devonianului mediu. // adj. Care aparţine acestui etaj. [pron. -li-an. / < fr. eifélien].
Trimis de LauraGellner, 25.02.2005. Sursa: DN

EIFELIÁN s. n. primul etaj al devonianului mediu. (< fr. eifélien)
Trimis de raduborza, 15.09.2007. Sursa: MDN

Dicționar Român. 2013.

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  • Eifelian Stage — ▪ geology       lowermost of the two standard worldwide divisions of Middle Devonian (Devonian Period) rocks and time. Eifelian time spans the interval between 397.5 million and 391.8 million years ago. The name of the Eifelian Stage is derived… …   Universalium

  • eifelian — ei·fe·li·an …   English syllables

  • eifelian — (ˈ)ī|fēlēən adjective Usage: usually capitalized Etymology: Eifel, region in western Germany + English ian : of, relating to, or constituting a subdivision of the European Devonian see geologic time table …   Useful english dictionary

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  • Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …   Wikipedia

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