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Lias

/ (ˈlaɪəs) /
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noun
the lowest series of rocks of the Jurassic system
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Derived forms of Lias

Liassic (laɪˈæsɪk), adjective

Word Origin for Lias

C15 (referring to a kind of limestone), C19 (geological sense) from Old French liois, perhaps from lie lees, dregs, so called from its appearance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use Lias in a sentence

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