# ammonium
## English
### Etymology

From New Latin ammōnium. Equivalent to ammonia +‎ -ium.

### Pronunciation

* (General American) enPR: əmō'nēəm, IPA: /əˈmoʊni.əm/
* Audio (Southern England):(file)

### Noun

ammonium (usually uncountable, plural ammoniums)
* (inorganic chemistry) The univalent NH$_4$$^+$ cation, derived by the protonation of ammonia
* (organic chemistry, especially in combination) Any similar cation formed by replacing one or more hydrogen atoms with alkyl or aryl radicals

#### Derived terms

* alkylammonium
* ammonian
* ammonitrate
* ammonium acetate
* ammonium bicarbonate
* ammonium bisulfate
* ammonium carbamate
* ammonium carbonate
* ammonium chloride
* ammonium hydroxide
* ammonium imine
* ammonium laureth sulfate
* ammoniumlike
* ammonium nitrate
* ammonium phosphate
* ammonium phosphatide
* ammonium polyvanadate
* ammonium sulfate
* ammonium sulphate
* ammoniumyl
* ammonium ylide
* benzyldimethylhexadecylammonium
* bisammonium
* butylammonium
* ceric ammonium nitrate
* cetyltriethylammonium
* cetyltrimethlyammonium
* cetyltrimethylammonium
* cuprammonium
* cuproammonium
* dialkylammonium
* diammonium
* diazonium
* ferric ammonium citrate
* mercurammonium
* metalammonium
* methylammonium
* monoammonium
* onium
* oxoammonium
* polyammonium
* quaternary ammonium
* quaternary ammonium compound
* quaternium
* rhodammonium
* tetraalkylammonium
* tetrabutylammonium
* tetradecyltrimethylammonium
* tetraethylammonium
* triammonium
* tricyclohexylammonium
* triethylammonium
* trimethylphenylammonium

#### Translations
## Danish
### Etymology

From New Latin ammōnium. Equivalent to ammoniak +‎ -ium.

### Pronunciation

* IPA: [aˈmoˀnjɔm]

### Noun

ammonium n (singular definite ammoniummet, not used in plural form)
* (inorganic chemistry) ammonium

### Further reading

* “ammonium” in Den Danske Ordbog

## Finnish
### Etymology

Internationalism, ultimately from Latin ammonium.

### Pronunciation

* IPA: /ˈɑmːonium/, [ˈɑ̝mːo̞ˌnium]
* Rhymes: -ium
* Hyphenation: am‧mo‧ni‧um

### Noun

ammonium
* (chemistry) ammonium; used as mass noun, see also ammoniumioni (“ammonium”)
    Korkea ammoniumin pitoisuus häiritsee aivojen aineenvaihduntaa.A high concentration of ammonium disturbs the metabolism of the brain.

#### Declension

Possessive forms of ammonium (Kotus type 5/risti, no gradation) :
first-person singular possessor
singular
plural
nominative
ammoniumini
accusative
nom.
ammoniumini
gen.
ammoniumini
genitive
ammoniumini
partitive
ammoniumiani
inessive
ammoniumissani
elative
ammoniumistani
illative
ammoniumiini
adessive
ammoniumillani
ablative
ammoniumiltani
allative
ammoniumilleni
essive
ammoniuminani
translative
ammoniumikseni
abessive
ammoniumittani
instructive
comitative
second-person singular possessor
singular
plural
nominative
ammoniumisi
accusative
nom.
ammoniumisi
gen.
ammoniumisi
genitive
ammoniumisi
partitive
ammoniumiasi
inessive
ammoniumissasi
elative
ammoniumistasi
illative
ammoniumiisi
adessive
ammoniumillasi
ablative
ammoniumiltasi
allative
ammoniumillesi
essive
ammoniuminasi
translative
ammoniumiksesi
abessive
ammoniumittasi
instructive
comitative
first-person plural possessor
singular
plural
nominative
ammoniumimme
accusative
nom.
ammoniumimme
gen.
ammoniumimme
genitive
ammoniumimme
partitive
ammoniumiamme
inessive
ammoniumissamme
elative
ammoniumistamme
illative
ammoniumiimme
adessive
ammoniumillamme
ablative
ammoniumiltamme
allative
ammoniumillemme
essive
ammoniuminamme
translative
ammoniumiksemme
abessive
ammoniumittamme
instructive
comitative
second-person plural possessor
singular
plural
nominative
ammoniuminne
accusative
nom.
ammoniuminne
gen.
ammoniuminne
genitive
ammoniuminne
partitive
ammoniumianne
inessive
ammoniumissanne
elative
ammoniumistanne
illative
ammoniumiinne
adessive
ammoniumillanne
ablative
ammoniumiltanne
allative
ammoniumillenne
essive
ammoniuminanne
translative
ammoniumiksenne
abessive
ammoniumittanne
instructive
comitative
third-person possessor
singular
plural
nominative
ammoniuminsa
accusative
nom.
ammoniuminsa
gen.
ammoniuminsa
genitive
ammoniuminsa
partitive
ammoniumiaan ammoniumiansa
inessive
ammoniumissaan ammoniumissansa
elative
ammoniumistaan ammoniumistansa
illative
ammoniumiinsa
adessive
ammoniumillaan ammoniumillansa
ablative
ammoniumiltaan ammoniumiltansa
allative
ammoniumilleen ammoniumillensa
essive
ammoniuminaan ammoniuminansa
translative
ammoniumikseen ammoniumiksensa
abessive
ammoniumittaan ammoniumittansa
instructive
comitative

#### Derived terms

* ammoniumalginaatti
* ammoniumfluoridi
* ammoniumfosfatidi
* ammoniumhydroksidi
* ammoniumioni
* ammoniumkarbonaatti
* ammoniumkloridi
* ammoniumnitraatti
* ammoniumperkloraatti
* ammoniumsulfaatti
* ammoniumsulfidi
* ammoniumtyppi

## French
### Pronunciation

* IPA: /a.mɔ.njɔm/

### Noun

ammonium m (plural ammoniums)
* (inorganic chemistry) ammonium

### Further reading

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