Word.ws English Dictionary

illinium

illinium noun: a rejected name for promethium.

Noun

illinium (uncountable)

  1. (obsolete) A rejected name for promethium.

Origin of illinium

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

Questions about illinium

What does illinium mean?
Illinium means a rejected name for promethium.
What part of speech is illinium?
Illinium is a noun.

Words near illinium in the dictionary

  1. Illingworth
  2. Illingworths
  3. Illini
  4. illinition
  5. illinitions
  6. illinium
  7. Illinivka
  8. Illiniwek
  9. Illinoian
  10. Illinoians
  11. Illinois

Source and license

Adapted from Wiktionary: illinium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “illinium.” Word.ws, https://word.ws/illinium. Based on Wiktionary, CC BY-SA 4.0.