lanthanum
English
| Chemical element | |
|---|---|
| La | Previous: barium (Ba) |
| Next: cerium (Ce) | |
Alternative forms
- lantanium (obsolete)
- lanthanium (obsolete)
Etymology
From Ancient Greek λανθάνω (lanthánō, “escape notice”), because it had gone long undetected in mineral ores.
Pronunciation
- enPR: lăn'thənəm, IPA(key): /ˈlænθənəm/
Noun
lanthanum (countable and uncountable, plural lanthanums)
- (uncountable) A metallic chemical element (symbol La) with an atomic number of 57.
- (countable) An atom of this element.
Derived terms
terms derived from lanthanum
- lanthanum carbonate
- lanthanum chloride
- lanthanum glass
- lanthanum nitrate
- lanthanum oxide
- lanthanum oxybromide
- lanthanum sesquioxide
Related terms
terms related to lanthanum
- lanthanite
- lanthanoid
- lanthanon
Translations
metallic element
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Latin
Pronunciation
- (Classical) IPA(key): /ˈlan.tʰa.num/, [ˈɫan.tʰa.nũ]
Inflection
Second declension.
| Case | Singular | Plural |
|---|---|---|
| Nominative | lanthanum | lanthana |
| Genitive | lanthanī | lanthanōrum |
| Dative | lanthanō | lanthanīs |
| Accusative | lanthanum | lanthana |
| Ablative | lanthanō | lanthanīs |
| Vocative | lanthanum | lanthana |
Limburgish
Pronunciation
- IPA(key): [lɑ˧nˈðaː˨nɔ˧m]
Inflection
Declension of lanthanum
| Root singular | Root plural | Diminutive singular | Diminutive plural | |
|---|---|---|---|---|
| Nominative | lanthanum | lanthana | lanthaneke | lanthanekes |
| Genitive | lanthanums | lanthana | lanthanekes | lanthanekes |
| Locative | lanthaneës | lanthaneëser | lanthaneëske | lanthaneëskes |
| Dative¹ | lanthanumme | — | lanthaneke | — |
| Accusative¹ | lanthanum | — | lanthaneke | — |
| ¹Dative and accusative are nowadays obsolete, the nominative is used instead. | ||||
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