# cerium
## English
### Alternative forms

* cererium (a name proposed (but not accepted) to indicate "cerium" does not come from the Greek word for "wax")

### Etymology

From Ceres (“a recently discovered asteroid”) +‎ -ium.

### Pronunciation

* enPR: sîr'ēəm, IPA: /ˈsɪəɹiəm/
* Audio (Southern England):(file)
* Rhymes: -ɪəɹiəm

### Noun

cerium (usually uncountable, plural ceriums)
* A chemical element (symbol Ce) with an atomic number of 58, a very soft, ductile, silvery-white metal that tarnishes when exposed to air.

#### Derived terms

* cerate
* ceriation
* ceric
* ceriferous
* cerine
* cerite
* cerium dioxide
* cerium metals
* cerium oxide
* cerium trichloride
* ceroan
* cerous
* dicerium
* ferrocerium
* noncerium
* organocerium
* radiocerium
* tricerium

#### Related terms

* Ceres
* ceria

#### Translations
### See also

* allanite
* bastnasite
* CAN
* hydroxylbastnasite
* jeweler's rouge, jeweller's rouge
* monazite
* orthite
* rhabdophane
* synchysite

### Anagrams

* uremic

## Danish
### Etymology

From Latin Ceres +‎ -ium.

### Noun

cerium n (singular definite ceriummet, not used in plural form)
* cerium

#### Declension
### References

* “cerium” in Den Danske Ordbog

## Dutch
### Etymology

Borrowed from Swedish cerium, New Latin cerium or French cérium.

### Pronunciation

* IPA: /ˈseː.riˌʏm/
* Audio:(file)
* Hyphenation: ce‧ri‧um

### Noun

cerium n (uncountable)
* cerium [from 1830s or earlier]

## Finnish
### Etymology

Internationalism (see English cerium).

### Pronunciation

* IPA: /ˈseːri.um/, [ˈs̠e̞ːri.um]
* Rhymes: -eːri.um

### Noun

cerium
* cerium

#### Declension

Possessive forms of cerium (Kotus type 5/risti, no gradation) :
first-person singular possessor
singular
plural
nominative
ceriumini
accusative
nom.
ceriumini
gen.
ceriumini
genitive
ceriumini
partitive
ceriumiani
inessive
ceriumissani
elative
ceriumistani
illative
ceriumiini
adessive
ceriumillani
ablative
ceriumiltani
allative
ceriumilleni
essive
ceriuminani
translative
ceriumikseni
abessive
ceriumittani
instructive
comitative
second-person singular possessor
singular
plural
nominative
ceriumisi
accusative
nom.
ceriumisi
gen.
ceriumisi
genitive
ceriumisi
partitive
ceriumiasi
inessive
ceriumissasi
elative
ceriumistasi
illative
ceriumiisi
adessive
ceriumillasi
ablative
ceriumiltasi
allative
ceriumillesi
essive
ceriuminasi
translative
ceriumiksesi
abessive
ceriumittasi
instructive
comitative
first-person plural possessor
singular
plural
nominative
ceriumimme
accusative
nom.
ceriumimme
gen.
ceriumimme
genitive
ceriumimme
partitive
ceriumiamme
inessive
ceriumissamme
elative
ceriumistamme
illative
ceriumiimme
adessive
ceriumillamme
ablative
ceriumiltamme
allative
ceriumillemme
essive
ceriuminamme
translative
ceriumiksemme
abessive
ceriumittamme
instructive
comitative
second-person plural possessor
singular
plural
nominative
ceriuminne
accusative
nom.
ceriuminne
gen.
ceriuminne
genitive
ceriuminne
partitive
ceriumianne
inessive
ceriumissanne
elative
ceriumistanne
illative
ceriumiinne
adessive
ceriumillanne
ablative
ceriumiltanne
allative
ceriumillenne
essive
ceriuminanne
translative
ceriumiksenne
abessive
ceriumittanne
instructive
comitative
third-person possessor
singular
plural
nominative
ceriuminsa
accusative
nom.
ceriuminsa
gen.
ceriuminsa
genitive
ceriuminsa
partitive
ceriumiaan ceriumiansa
inessive
ceriumissaan ceriumissansa
elative
ceriumistaan ceriumistansa
illative
ceriumiinsa
adessive
ceriumillaan ceriumillansa
ablative
ceriumiltaan ceriumiltansa
allative
ceriumilleen ceriumillensa
essive
ceriuminaan ceriuminansa
translative
ceriumikseen ceriumiksensa
abessive
ceriumittaan ceriumittansa
instructive
comitative

## Latin
### Etymology 1

From Ancient Greek κηρίον (kēríon).

#### Pronunciation

* (Classical Latin) IPA: /ˈkeː.ri.um/, [ˈkeːriʊ̃ˑ]
* (modern Italianate Ecclesiastical) IPA: /ˈt͡ʃe.ri.um/, [ˈt͡ʃɛːrium]

#### Noun

cērium n (genitive cēriī or cērī); second declension
* A bad species of swelling or ulcer

##### Declension

Second-declension noun (neuter).
$^1$Found in older Latin (until the Augustan Age).

### Etymology 2
#### Pronunciation

* (Classical Latin) IPA: /ˈke.ri.um/, [ˈkɛriʊ̃ˑ]
* (modern Italianate Ecclesiastical) IPA: /ˈt͡ʃe.ri.um/, [ˈt͡ʃɛːrium]

#### Noun

cerium n (genitive ceriī); second declension
* (New Latin) cerium

##### Declension

Second-declension noun (neuter).

### References

* “cerium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* cerium in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.

## Swedish
### Noun

cerium n
* cerium

#### Declension
### References

* cerium in Svensk ordbok (SO)
* cerium in Svenska Akademiens ordlista (SAOL)
* cerium in Svenska Akademiens ordbok (SAOB)
* Svensk MeSH