Definify.com
Webster 1913 Edition
Thorium
Tho′ri-um
,Noun.
[NL. See
Thorite
.] (Chem.)
A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray metallic powder which burns in the air and forms thoria; – formerly called also
thorinum
. Symbol Th. Atomic weight 232.0. Definition 2024
Thorium
Thorium
See also: thorium
German
Noun
Thorium n (genitive Thoriums, no plural)
Declension
Declension of Thorium (uncountable)
Coordinate terms
- (Chemical Element): Previous: Actinium. Next: Protactinium
Luxembourgish
| Chemical element | |
|---|---|
| Th | Previous: Actinium (Ac) |
| Next: Protactinium (Pa) | |
Noun
Thorium ? (uncountable)
thorium
thorium
See also: Thorium
English
| Chemical element | |
|---|---|
| Th | Previous: actinium (Ac) |
| Next: protactinium (Pa) | |
Noun
thorium (uncountable)
- A chemical element (symbol Th) with atomic number 90.
Synonyms
- thorinum (former alternative form; obsolete)
Derived terms
Derived terms
Related terms
Related terms
Translations
chemical element
|
|
Dutch
| Chemical element | |
|---|---|
| Th | Previous: actinium (Ac) |
| Next: protactinium (Pa) | |
Pronunciation
Noun
thorium n (uncountable)
Latin
Pronunciation
- (Classical) IPA(key): /ˈtʰoː.ri.um/, [ˈtʰoː.ri.ũ]
Noun
thōrium n (genitive thōriī); second declension
Inflection
Second declension.
| Case | Singular | Plural |
|---|---|---|
| nominative | thōrium | thōria |
| genitive | thōriī | thōriōrum |
| dative | thōriō | thōriīs |
| accusative | thōrium | thōria |
| ablative | thōriō | thōriīs |
| vocative | thōrium | thōria |