celtium
Appearance
English
[edit]Noun
[edit]celtium (uncountable)
- (historical) The name originally proposed for chemical element number 72, now called hafnium; the discoverer, Georges Urbain, conjectured it to be a rare earth element, and proposed the symbol Ct), but subsequent work demonstrated it to be a transition element, and hafnium was given the symbol Hf.
Synonyms
[edit]Latin
[edit]Noun
[edit]celtium n (genitive celtiī or celtī); second declension
Declension
[edit]Second-declension noun (neuter).
singular | plural | |
---|---|---|
nominative | celtium | celtia |
genitive | celtiī celtī1 |
celtiōrum |
dative | celtiō | celtiīs |
accusative | celtium | celtia |
ablative | celtiō | celtiīs |
vocative | celtium | celtia |
1Found in older Latin (until the Augustan Age).
Categories:
- English lemmas
- English nouns
- English uncountable nouns
- English terms with historical senses
- en:Obsolete element names
- en:Rejected element names
- en:Supposed chemical elements
- English terms suffixed with -ium
- Latin lemmas
- Latin nouns
- Latin second declension nouns
- Latin neuter nouns in the second declension
- Latin neuter nouns