# potassium
## English
### Etymology

Coined by British chemist Humphry Davy in 1807, from potassa +‎ -ium, from Dutch potasch (“potash”).

### Pronunciation

* enPR: pətăs′ēəm, IPA: /pəˈtæsiəm/
* Audio (US):(file)

### Noun

potassium (usually uncountable, plural potassiums)
* A soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol K) with an atomic number of 19 and atomic weight of 39.0983. The symbol is derived from the Latin kalium.
* (countable) A single atom of this element.

#### Synonyms

* kalium (obsolete)

#### Derived terms

* acesulfame potassium
* bismuthide of potassium
* bromide of potassium
* carbonate of potassium
* chromate of potassium
* hydrogen potassium carbonate
* monopotassium
* plumbate of potassium
* potassamide
* potassic
* potassio-
* potassium-39
* potassium-40
* potassium-42
* potassium-43
* potassium acesulfame
* potassium acetate
* potassium acid carbonate
* potassium adipate
* potassium alginate
* potassium aluminate
* potassium aluminium silicate
* potassium aluminium sulfate
* potassium aluminum sulfate, potassium aluminium sulphate
* potassium amide
* potassium antimonyl tartrate
* potassium argentocyanide
* potassium-argon dating
* potassium ascorbate
* potassium bentonite
* potassium benzoate
* potassium bicarbonate
* potassium bifluoride
* potassium bisulfate
* potassium bisulphite
* potassium bitartrate
* potassium bromate
* potassium bromide
* potassium carbonate
* potassium channel
* potassium chlorate
* potassium chloride
* potassium chromate
* potassium citrate
* potassium cyanide
* potassium deficiency
* potassium dichromate
* potassium dicyanoargentate
* potassium feldspar
* potassium ferrate
* potassium ferricyanide
* potassium ferrocyanide
* potassium fluoborate
* potassium fluoride
* potassium fluorotantalate
* potassium fluorotitanate
* potassium fluosilicate
* potassium formate
* potassium fulminate
* potassium fumarate
* potassium gluconate
* potassium glutamate
* potassium glycerophosphate
* potassium gold chloride
* potassium gold cyanide
* potassium guanylate
* potassium hexafluoroaluminate
* potassium hexafluoroantimonate
* potassium hexafluoroarsenate
* potassium humate
* potassium hydrate
* potassium hydride
* potassium hydrogen carbonate
* potassium hydroxide
* potassium inosinate
* potassium iodate
* potassium iodide
* potassium iodohydrargyrate
* potassium lactate
* potassium linoleate
* potassium magnesium chloride hexahydrate
* potassium malate
* potassium manganate
* potassium manganite
* potassium metabisulfite
* potassium niobate
* potassium nitrate
* potassium nitrite
* potassium osmate
* potassium oxalate
* potassium oxide
* potassium percarbonate
* potassium perchlorate
* potassium periodate
* potassium permanganate
* potassium peroxide
* potassium persulfate
* potassium perxenate
* potassium phosphate
* potassium platinocyanide
* potassium plumbate
* potassium salt
* potassium selective electrode
* potassium silicate
* potassium silver cyanide
* potassium sorbate
* potassium stannate
* potassium stannite
* potassium sulfate, potassium sulphate
* potassium sulfite
* potassium sulphite
* potassium thiocyanate
* potassium titanyl phosphate
* potassium vanadate
* potassium xanthate
* potassium zirconium fluoride
* sodium-potassium pump

#### Related terms

* K⁺
* potash
* potass
* potassa

#### Translations
### See also

* carnallite
* langbeinite
* polyhalite
* potash
* saltpetre (or saltpeter)
* sylvite

### References

* Potassa and Potassium in the Webster's New Collegiate Dictionary, Merriam-Webster, 1974 edition.
* Potassium on the British Royal Society of Chemistry's Online periodic table

### Anagrams

* assumptio

## French
### Pronunciation

* IPA: /pɔ.ta.sjɔm/
* Audio:(file)

### Noun

potassium m (uncountable)
* potassium

#### Descendants

* Lingala: potasu

### Further reading

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

## Interlingua
### Noun

potassium (uncountable)
* potassium