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Lias

British  
/ laɪˈæsɪk, ˈlaɪəs /

noun

  1. the lowest series of rocks of the Jurassic system

"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

Other Word Forms

  • Liassic adjective

Etymology

Origin of 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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Adele O'Sullivan died on 7 April 2021 - just 26 minutes old - Kahlani Rawson died on 15 June at four days old and Quinn Lias Parker died on 16 July at two days old.

From BBC • Jun. 20, 2025

Dr. Whiteside described the discovery of clues in rocks of England’s Blue Lias Formation, which emerged in the wake of the volcanism.

From New York Times • Feb. 3, 2022

The Kings' Lias Anderson was called for high-sticking on Oliver Ekman-Larsson midway through the third period and Miller capitalized on the man advantage.

From Fox News • Dec. 7, 2021

Blake said he’s hopeful forwards Lias Andersson and Andreas Athanasiou, who have been out because of undisclosed injuries, will soon return to the lineup and will fortify the offense.

From Los Angeles Times • Oct. 27, 2021

When Mr. Lias arrived, we followed him inside.

From "Cold Sassy Tree" by Olive Ann Burns