English
illinium
From Illinois + -ium, from the University of Illinois at Urbana-Champaign, which made an unverifiable claim to have discovered the element in 1926.
Formed from Illinois + -ium
The story
From Illinois + -ium, from the University of Illinois at Urbana-Champaign, which made an unverifiable claim to have discovered the element in 1926.
Today it means
noun A rejected name for promethium.
Language periods are conventional ranges, not dates for this word.
Etymograph / illinium