English edit

Etymology edit

From Ancient Greek λανθάνω (lanthánō, to escape notice), because it had gone long undetected in mineral ores; +‎ -ium (a chemical element).

Noun edit

lanthanium (countable and uncountable, plural lanthaniums)

  1. (UK) Alternative form of lanthanum

Dutch edit

 
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Wikipedia nl

Pronunciation edit

  • (file)
  • Hyphenation: lan‧tha‧ni‧um

Noun edit

lanthanium n (uncountable)

  1. lanthanum; Alternative form of lanthaan