Lias

/ ˈlaɪəs; laɪˈæsɪk /

noun

1. the lowest series of rocks of the Jurassic system

Derived Forms

• Liassic, adjective

Word History and Origins

Origin of Lias¹

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

Example Sentences

I have acted boldly, in the open day, in the presence of the magistracy: there lias been nothing secret or concealed.

From Project Gutenberg

The Lias plain is rich grazing country, the Oxford Clay forms valuable agricultural land, yielding heavy crops of wheat.

From Project Gutenberg

The study of practical anatomy lias always been carried on in this country under great disadvantages.

From Project Gutenberg

"You can't cut no pigeon wing, w'ite boy," said 'Lias, Mammy's grandson.

From Project Gutenberg

Mrs. Caukins waved her sunshade vigorously at 'Lias and gave a long sigh of relief and satisfaction.

From Project Gutenberg