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Word of the Day Tuesday, June 9, 2026

lithium

/ˈlaɪtɪəm/ noun · British & US
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What does lithium mean?

noun

A soft, silvery-white alkali metal with the symbol Li and atomic number 3. It is highly reactive and is used in batteries, pharmaceuticals, and other applications.

Example

"The new battery technology uses lithium to store energy."

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

Synonyms for lithium

Rhymes with lithium

Etymologically related