# plutonium
## English
### Etymology

After Pluto (the entity formerly considered to be a planet) +‎ -ium.

### Pronunciation

* enPR: plo͞otō'nēəm, IPA: /pluːˈtoʊniəm/
* Audio (US):(file)
* Rhymes: -əʊniəm

### Noun

plutonium (usually uncountable, plural plutoniums)
* The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.
** 2023 December 27, Ben Jones, “Inside Sellafield... by rail”, in RAIL, number 999, page 20:For 75 years, it has fulfilled a wide range of roles: producing weapons-grade plutonium for early atomic weapons in the aftermath of the Second World War; the world's first commercial nuclear power station supplying electricity to the National Grid; reprocessing and storage of nuclear fuel; and the processing of lower grades of radioactive waste for off-site storage.
* (countable, historical) Alternative form of ploutonion

#### Derived terms

* plutonate
* plutonium-239
* plutonium bomb
* plutonium dioxide
* plutonium enrichment
* plutonium hydride
* plutonium pit
* plutonyl
* reactor-grade plutonium
* weapon-grade plutonium

#### Related terms

* Pluto
* pluton
* Plutonian
* plutonic
* plutonism

#### Translations
## Afrikaans
### Noun

plutonium (uncountable)
* plutonium

## Czech
### Pronunciation

* IPA: [ˈplutoːnɪjum]
* IPA: [ˈplutonɪjum]

### Noun

plutonium n
* plutonium

#### Declension
## Danish
### Etymology

From New Latin Pluto +‎ -ium.

### Noun

plutonium n (singular definite plutoniummet or plutoniumet, not used in plural form)
* plutonium

#### Declension
### References

* “plutonium” in Den Danske Ordbog

## Dutch
### Pronunciation

* Audio:(file)

### Noun

plutonium n (uncountable)
* plutonium

## Finnish
### Etymology

Internationalism (see English plutonium).

### Pronunciation

* IPA: /ˈplutonium/, [ˈplut̪o̞ˌnium]
* Rhymes: -ium
* Hyphenation: plu‧to‧ni‧um

### Noun

plutonium
* plutonium

#### Declension

Possessive forms of plutonium (Kotus type 5/risti, no gradation) :
first-person singular possessor
singular
plural
nominative
plutoniumini
plutoniumini
accusative
nom.
plutoniumini
plutoniumini
gen.
plutoniumini
genitive
plutoniumini
plutoniumieni
partitive
plutoniumiani
plutoniumejani
inessive
plutoniumissani
plutoniumeissani
elative
plutoniumistani
plutoniumeistani
illative
plutoniumiini
plutoniumeihini
adessive
plutoniumillani
plutoniumeillani
ablative
plutoniumiltani
plutoniumeiltani
allative
plutoniumilleni
plutoniumeilleni
essive
plutoniuminani
plutoniumeinani
translative
plutoniumikseni
plutoniumeikseni
abessive
plutoniumittani
plutoniumeittani
instructive
comitative
—plutoniumeineni
second-person singular possessor
singular
plural
nominative
plutoniumisi
plutoniumisi
accusative
nom.
plutoniumisi
plutoniumisi
gen.
plutoniumisi
genitive
plutoniumisi
plutoniumiesi
partitive
plutoniumiasi
plutoniumejasi
inessive
plutoniumissasi
plutoniumeissasi
elative
plutoniumistasi
plutoniumeistasi
illative
plutoniumiisi
plutoniumeihisi
adessive
plutoniumillasi
plutoniumeillasi
ablative
plutoniumiltasi
plutoniumeiltasi
allative
plutoniumillesi
plutoniumeillesi
essive
plutoniuminasi
plutoniumeinasi
translative
plutoniumiksesi
plutoniumeiksesi
abessive
plutoniumittasi
plutoniumeittasi
instructive
comitative
—plutoniumeinesi
first-person plural possessor
singular
plural
nominative
plutoniumimme
plutoniumimme
accusative
nom.
plutoniumimme
plutoniumimme
gen.
plutoniumimme
genitive
plutoniumimme
plutoniumiemme
partitive
plutoniumiamme
plutoniumejamme
inessive
plutoniumissamme
plutoniumeissamme
elative
plutoniumistamme
plutoniumeistamme
illative
plutoniumiimme
plutoniumeihimme
adessive
plutoniumillamme
plutoniumeillamme
ablative
plutoniumiltamme
plutoniumeiltamme
allative
plutoniumillemme
plutoniumeillemme
essive
plutoniuminamme
plutoniumeinamme
translative
plutoniumiksemme
plutoniumeiksemme
abessive
plutoniumittamme
plutoniumeittamme
instructive
comitative
—plutoniumeinemme
second-person plural possessor
singular
plural
nominative
plutoniuminne
plutoniuminne
accusative
nom.
plutoniuminne
plutoniuminne
gen.
plutoniuminne
genitive
plutoniuminne
plutoniumienne
partitive
plutoniumianne
plutoniumejanne
inessive
plutoniumissanne
plutoniumeissanne
elative
plutoniumistanne
plutoniumeistanne
illative
plutoniumiinne
plutoniumeihinne
adessive
plutoniumillanne
plutoniumeillanne
ablative
plutoniumiltanne
plutoniumeiltanne
allative
plutoniumillenne
plutoniumeillenne
essive
plutoniuminanne
plutoniumeinanne
translative
plutoniumiksenne
plutoniumeiksenne
abessive
plutoniumittanne
plutoniumeittanne
instructive
comitative
—plutoniumeinenne
third-person possessor
singular
plural
nominative
plutoniuminsa
plutoniuminsa
accusative
nom.
plutoniuminsa
plutoniuminsa
gen.
plutoniuminsa
genitive
plutoniuminsa
plutoniumiensa
partitive
plutoniumiaan plutoniumiansa
plutoniumejaan plutoniumejansa
inessive
plutoniumissaan plutoniumissansa
plutoniumeissaan plutoniumeissansa
elative
plutoniumistaan plutoniumistansa
plutoniumeistaan plutoniumeistansa
illative
plutoniumiinsa
plutoniumeihinsa
adessive
plutoniumillaan plutoniumillansa
plutoniumeillaan plutoniumeillansa
ablative
plutoniumiltaan plutoniumiltansa
plutoniumeiltaan plutoniumeiltansa
allative
plutoniumilleen plutoniumillensa
plutoniumeilleen plutoniumeillensa
essive
plutoniuminaan plutoniuminansa
plutoniumeinaan plutoniumeinansa
translative
plutoniumikseen plutoniumiksensa
plutoniumeikseen plutoniumeiksensa
abessive
plutoniumittaan plutoniumittansa
plutoniumeittaan plutoniumeittansa
instructive
comitative
—plutoniumeineen plutoniumeinensa :

#### Derived terms

* plutoniumpommi

### Further reading

* “plutonium”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎ (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-03

## French
### Pronunciation

* IPA: /ply.tɔ.njɔm/
* Audio:(file)

### Noun

plutonium m (uncountable)
* plutonium

### Further reading

* “plutonium”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

## Latin
### Pronunciation

* (Classical Latin) IPA: /pluːˈtoː.ni.um/, [pɫ̪uːˈt̪oːniʊ̃ˑ]
* (modern Italianate Ecclesiastical) IPA: /pluˈto.ni.um/, [pluˈt̪ɔːnium]

### Noun

plūtōnium n (genitive plūtōniī); second declension
* plutonium

#### Declension

Second-declension noun (neuter).

## Malay
### Etymology

From English plutonium, from Pluto.

### Pronunciation

* IPA: [plutoniom], [plutoniəm]
* Rhymes: -iom, -jom, -om

### Noun

plutonium
* plutonium (chemical element)

## Norwegian Bokmål
### Noun

plutonium n (definite singular plutoniumet) (uncountable)
* plutonium (chemical element, symbol Pu)

## Norwegian Nynorsk
### Noun

plutonium n (definite singular plutoniumet) (uncountable)
* plutonium (as above)

## Swedish
### Pronunciation

* Audio:(file)

### Noun

plutonium n
* plutonium

#### Declension
### References

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