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Word of the Day Tuesday, June 9, 2026

lias

/liːəz/ noun · British & US
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What does lias mean?

noun

A layer of rock or soil deposited during a specific period of time, typically in a geological formation. In geology, a unit of rock or soil that is a distinct layer in a sequence of rock layers.

Example

"The geologist studied the lias formation to understand the region's geological history."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for lias

Rhymes with lias

Etymologically related