Meanings
nounilmenium (uncountable)
- obsoleteuncountableA supposed chemical element, later found to be a mixture of niobium and tantalum.
Origin
From Ilmensky Mountains + -ium. Compare ilmenite.
Full word history & related roots →Cite this entry
APA
ilmenium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ilmenium
MLA
“ilmenium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ilmenium. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “ilmenium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ilmenium.
Source: ilmenium on Wiktionary, CC BY-SA 4.0.