English · Word Candidate

lithium

/ˈlɪθi.əm/

Proposed by a contributor, not yet supported by evidence.

Also seen as: lithiums

Sense 1

Meaning · English

The simplest alkali metal, the lightest solid element, and the third lightest chemical element (symbol Li) with an atomic number of 3 and atomic weight of 6.94. It is a soft, silvery metal.

Noun

Examples

The importance of lithium-ion batteries makes lithium a potentially strategic natural resource.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

A single atom of this element.

Noun

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “lithium” mean?

The simplest alkali metal, the lightest solid element, and the third lightest chemical element (symbol Li) with an atomic number of 3 and atomic weight of 6.94. It is a soft, silvery metal.

Is “lithium” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.