noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
pətăs′ēəm
/pəˈtæsiəm/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:P AH0 T AE1 S IY0 AH0 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Examples
We all need potassium, and green vegetables are a good source.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
An atom of this element.
Definition source: English Wiktionary via Wiktextract
Usage: countable, usually
Examples
This reaction substitutes a potassium for a sodium.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: K, atomic number 19
Antonyms: none provided
Broader terms: metallic element, metal
History
Etymology
Coined by British chemist Humphry Davy in 1807, from potassa (a Latinized form of potash) + -ium.
Across languages
Translations
106 source translations are retained for this English entry.
Afrikaans:
kalium
— the chemical element
Albanian:
kalium
— the chemical element
Arabic:
بُوتَاسِيُوم
(būtāsiyūm)
— the chemical element
Armenian:
կալիում
(kalium)
— the chemical element
Asturian:
potasiu
— the chemical element
Azerbaijani:
kalium
— the chemical element
Basque:
potasio
— the chemical element
Belarusian:
ка́лій
(kálij)
— the chemical element
Belarusian:
поташ
(potaš)
— the chemical element
Bengali:
পটাশিয়াম
(poṭaśiẏam)
— the chemical element
Breton:
potasiom
— the chemical element
Breton:
kaliom
— the chemical element
Bulgarian:
ка́лий
(kálij)
— the chemical element
Burmese:
ပိုတက်ဆီယမ်
(puitakhciyam)
— the chemical element
Catalan:
potassi
— the chemical element
Chinese Cantonese:
鉀 /钾
(gaap3)
— the chemical element
Chinese Mandarin:
鉀 /钾
(jiǎ)
— the chemical element
Cornish:
calyum
— the chemical element
Czech:
draslík
— the chemical element
Danish:
kalium
— the chemical element
Dutch:
kalium
— the chemical element
Dutch:
potas
— the chemical element
Esperanto:
kalio
— the chemical element
Estonian:
kaalium
— the chemical element
Faroese:
kalium
— the chemical element
Finnish:
kalium
— the chemical element
French:
potassium
— the chemical element
West-Frisian:
kalium
— the chemical element
Friulian:
potassi
— the chemical element
Galician:
potasio
— the chemical element
Georgian:
კალიუმი
(ḳaliumi)
— the chemical element
German:
Kalium
— the chemical element
Greek:
κάλιο
(kálio)
— the chemical element
Hawaiian:
pokakiuma
— the chemical element
Hebrew:
אַשְׁלְגָן
(ashlegán)
— the chemical element
Hindi:
दहातु
(dahātu)
— the chemical element
Hindi:
पोटैशियम
(poṭaiśiyam)
— the chemical element
Hindi:
उखाभस्मज
(ukhābhasmaj)
— the chemical element
Hungarian:
kálium
— the chemical element
Icelandic:
kalín
— the chemical element
Icelandic:
kalíum
— the chemical element
Indonesian:
kalium
— the chemical element
Indonesian:
potasium
— the chemical element
Interlingua:
potassium
— the chemical element
Interlingua:
kalium
— the chemical element
Irish:
potaisiam
— the chemical element
Italian:
potassio
— the chemical element
Japanese:
カリウム
(kariumu)
— the chemical element
Kashubian:
kali
— the chemical element
Kazakh:
калий
(kalii)
— the chemical element
Khmer:
ប៉ូតាស្យូម
(poutaasyoum)
— the chemical element
Korean:
칼륨
(kallyum)
— the chemical element
Korean:
칼리
(kalli)
— the chemical element
Korean:
포타슘
(potasyum)
— the chemical element
Korean:
가리
(gari)
— the chemical element
Kyrgyz:
калий
(kaliy)
— the chemical element
Lao:
ໂພແທສຊຽມ
(phō thǣs sīam)
— the chemical element
Latin:
kalium
— the chemical element
Latin:
potassium
— the chemical element
Latvian:
kālijs
— the chemical element
Lingala:
potasu class 9a/10a
— the chemical element
Lithuanian:
kalis
— the chemical element
Luxembourgish:
Kalium
— the chemical element
Macedonian:
калиум
(kalium)
— the chemical element
Malay:
kalium
— the chemical element
Malayalam:
പൊട്ടാസ്യം
(poṭṭāsyaṁ)
— the chemical element
Maltese:
potassju
— the chemical element
Manx:
potashum
— the chemical element
Māori:
konurehu
— the chemical element
Mongolian:
кали
(kali)
— the chemical element
Norwegian Bokmål:
kalium
— the chemical element
Norwegian Nynorsk:
kalium
— the chemical element
Occitan:
potassi
— the chemical element
Persian:
پتاسیم
(potâsiyom)
— the chemical element
Polish:
potas
— the chemical element
Portuguese:
potássio
— the chemical element
Punjabi:
ਪੋਟਾਸ਼ੀਅਮ
(poṭāśīama)
— the chemical element
Romanian:
potasiu
— the chemical element
Romanian:
kaliu
— the chemical element
Russian:
ка́лий
(kálij)
— the chemical element
Scottish Gaelic:
potaisiam
— the chemical element
Serbo-Croatian:
калијум
— the chemical element
Serbo-Croatian:
ка̑лӣј
— the chemical element
Serbo-Croatian:
kalijum
— the chemical element
Serbo-Croatian:
kȃlīj
— the chemical element
Slovak:
draslík
— the chemical element
Slovene:
kalij
— the chemical element
Spanish:
potasio
— the chemical element
Swahili:
potasiamu
— the chemical element
Swedish:
kalium
— the chemical element
Tagalog:
potasyo
— the chemical element
Tajik:
калий
(kaliy)
— the chemical element
Tamil:
வெடியம்
(veṭiyam)
— the chemical element
Tamil:
பொட்டாசியம்
(poṭṭāciyam)
— the chemical element
Thai:
โพแทสเซียม
(poo-tɛ́ɛs-sîiam)
— the chemical element
Turkish:
potasyum
— the chemical element
Turkmen:
kaliý
— the chemical element
Ukrainian:
ка́лій
(kálij)
— the chemical element
Uyghur:
كالىي
(kaliy)
— the chemical element
Uzbek:
kaliy
— the chemical element
Uzbek:
калий
(kaliy)
— the chemical element
Vietnamese:
kali
— the chemical element
Volapük:
kalin
— the chemical element
Welsh:
potasiwm
— the chemical element
Yiddish:
קאַליום
(kalyum)
— the chemical element
Yiddish:
פּאָטאַסיום
(potasyum)
— the chemical element