Lias

[lahy-uh]

noun Douay Bible.

Leah (def. 1).

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World English Dictionary

Lias (ˈlaɪəs)

—n
	the lowest series of rocks of the Jurassic system

[C15 (referring to a kind of limestone), C19 (geological sense) from Old French liois, perhaps from lie lees, dregs, so called from its appearance]

Liassic

—*adj*

Collins English Dictionary - Complete & Unabridged 10th Edition
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Lias

Li·a