lantanium

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A form of lanthanum — A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.

Scrabble 11
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Meanings

nounlantanium (uncountable)
  1. obsoleteuncountableObsolete form of lanthanum.
Cite this entry
APA

lantanium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lantanium

MLA

“lantanium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lantanium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “lantanium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lantanium.

Source: lantanium on Wiktionary, CC BY-SA 4.0.