Lanthanium
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Alternative form of lanthanum. UK, alt-of, alternative, countable, uncountable
Etymology
From Ancient Greek λανθάνω (lanthánō, “to escape notice”), because it had gone long undetected in mineral ores; + -ium (“a chemical element”).
More for "lanthanium"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.