411 REFERENCE · Wiktionary
Columbium
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
columbium
German
Noun
n.sg
columbium
de Niob
Declension
n.sg
Further reading
411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.