name · noun · verb · 6 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.
UK:/ˈpɒt.æʃ/
US:/ˈpɑt.æʃ/
US:Recorded audio is listed in the source snapshot.
rhymes with -æʃ
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:P AA1 T AE2 SH
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
name
Meaning 1
A surname.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The water-soluble part of wood ash, used for making soap and glass and as a fertilizer (chemically speaking, an impure form of potassium carbonate (K2CO3) mixed with other potassium salts).
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Potassium. Chiefly used in the names of compounds of the form "... of potash".
Definition source: English Wiktionary via Wiktextract
A class of potassium minerals, of similar applicability to potassium carbonate, such as being a fertilizer. (ie. potassium chloride, potassium hydroxide)
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
verb
Meaning 5
To treat with potassium.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
a potassium compound often used in agriculture and industry
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: caustic potash, potassium hydroxide
Antonyms: none provided
Broader terms: hydroxide, hydrated oxide, lye
History
Etymology
From pot + ash, because the substance was originally obtained by leaching ash in water and then boiling down the resulting solution in a pot. Compare Dutch potas, German Pottasche.
Across languages
Translations
57 source translations are retained for this English entry.
Arabic:
قِلْو
(qilw)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Arabic:
قِلْي
(qily)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Arabic:
أُشْنَان
(ʔušnān)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Arabic:
بُوتَاس
(būtās)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Burmese:
ပြဆား
(pra.hca:)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Burmese:
ပိုတက်
(puitak)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Catalan:
potassa
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Czech:
potaš
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Danish:
potaske
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Dutch:
potas
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Finnish:
potaska
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
French:
potasse
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Saterland Frisian:
Potääske
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
German:
Pottasche
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Hungarian:
hamuzsír
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Indonesian:
potas
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Italian:
potassa
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Khmer:
ក្បុង
(kbong)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Norwegian Bokmål:
pottaske
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Norwegian Nynorsk:
pottoske
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Persian:
شخار
(šaxār)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Polish:
potaż
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Portuguese:
potassa
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Romanian:
potasă
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Russian:
пота́ш
(potáš)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Spanish:
potasa
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Spanish:
lejía
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Swedish:
pottaska
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Tagalog:
potasa
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Thai:
โพแทช
(poh tâet)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Turkish:
kalye
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Ottoman Turkish:
قالیه
(kalya)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Ukrainian:
по́та́ш
(pótáš)
— pot ash: the water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer
Arabic:
قِلْو
(qilw)
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Arabic:
قِلْي
(qily)
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Arabic:
أُشْنَان
(ʔušnān)
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Arabic:
بُوتَاس
(būtās)
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Bulgarian:
поташ
(potaš)
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Czech:
potaš
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Danish:
potaske
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Finnish:
potaska
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
French:
potasse
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Saterland Frisian:
Potääske
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Georgian:
პოტაში
(ṗoṭaši)
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
German:
Pottasche
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Hawaiian:
pokaka
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Hungarian:
kálium-karbonát
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Italian:
potassa
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Latin:
nitrum
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Norwegian Bokmål:
pottaske
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Norwegian Nynorsk:
pottoske
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Polish:
potaż
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Russian:
пота́ш
(potáš)
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Ukrainian:
по́та́ш
(pótáš)
— chemistry: an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
Chinese Mandarin:
鉀 /钾
— chemistry, archaic: potassium