Meaning

1 senses
  1. (obsolete, uncountable)A rejected name for promethium.

Origin

From Illinois + -ium, from the University of Illinois at Urbana-Champaign, which made an u

From Illinois + -ium, from the University of Illinois at Urbana-Champaign, which made an unverifiable claim to have discovered the element in 1926.

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See also

neighbours in the dictionary
illinium — meaning, examples, forms, synonyms | Krumeto