Definify.com
Webster 1913 Edition
Thallium
Thal′li-um
,Noun.
[NL., fr. Gr. [GREEK] young or green shoot or branch, twig. So called from a characteristic bright
green
line in its spectrum.] (Chem.)
A rare metallic element of the aluminium group found in some minerals, as certain pyrites, and also in the lead-chamber deposit in the manufacture of sulphuric acid. It is isolated as a heavy, soft, bluish white metal, easily oxidized in moist air, but preserved by keeping under water. Symbol Tl. Atomic weight 203.7.
Definition 2025
Thallium
Thallium
See also: thallium
German
Noun
Thallium n (genitive Thalliums, no plural)
Declension
Declension of Thallium (uncountable)
Coordinate terms
- (Chemical Element): Previous: Quecksilber. Next: Blei
Luxembourgish
| Chemical element | |
|---|---|
| Tl | Previous: Quecksëlwer (Hg) |
| Next: Bläi (Pb) | |
Noun
Thallium ? (uncountable)
thallium
thallium
See also: Thallium
English
| Chemical element | |
|---|---|
| Tl | Previous: mercury (Hg) |
| Next: lead (Pb) | |
Noun
thallium (countable and uncountable, plural thalliums)
- A metallic chemical element (symbol Tl) with atomic number 81.
- A single atom of this element.
Derived terms
|
|
Related terms
Translations
chemical element
|
|
See also
Dutch
| Chemical element | |
|---|---|
| Tl | Previous: kwik (Hg) |
| Next: lood (Pb) | |
Pronunciation
Noun
thallium n (uncountable)
Latin
Pronunciation
- (Classical) IPA(key): /ˈtʰal.li.um/, [ˈtʰal.li.ũ]
Noun
thallium n (genitive thalliī); second declension
Inflection
Second declension.
| Case | Singular | Plural |
|---|---|---|
| nominative | thallium | thallia |
| genitive | thalliī | thalliōrum |
| dative | thalliō | thalliīs |
| accusative | thallium | thallia |
| ablative | thalliō | thalliīs |
| vocative | thallium | thallia |
Limburgish
Pronunciation
- IPA(key): [ˈðɑ˦ʎɔ˧m]
Noun
thallium n
Inflection
Declension of thallium
| Root singular | Root plural | Diminutive singular | Diminutive plural | |
|---|---|---|---|---|
| Nominative | thallium | thallia | thallieke | thalliekes |
| Genitive | thalliums | thallia | thalliekes | thalliekes |
| Locative | thallieës | thallieëser | thallieëske | thallieëskes |
| Dative¹ | thalliumme | — | thallieke | — |
| Accusative¹ | thallium | — | thallieke | — |
| ¹Dative and accusative are nowadays obsolete, the nominative is used instead. | ||||