lanthanum

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Pronunciation

• enPR: lăn'thənəm, IPA: /ˈlænθənəm/

Noun

lanthanum

1. (uncountable) A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.
2. (countable) An atom of this element.

Related terms

• lanthana
• lanthanate
• lanthanide
• lanthanite
• lanthanoid
• lanthanon

Translations

• French: lanthane
• German: Lanthan
• Italian: lantanio
• Portuguese: lantânio
• Russian: ланта́н
• Spanish: lantano

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