Share this entry
potash Syllabification: pot·ash
Pronunciation: /ˈpädˌaSH/

Definition of potash in English:


An alkaline potassium compound, especially potassium carbonate or hydroxide.
Example sentences
  • Glauber created a mixture of saltpeter, lime, phosphoric acid, nitrogen and potash which was the first completely mineral fertilizer.
  • Fertilizers containing high amounts of nitrate of soda, muriate of potash, potassium nitrate and ammonium nitrate can cause the highest accumulated salts.
  • The suitcase contained chlorate of potash and paraffin wax, which was mixed with gelignite to form an explosive compound.


Early 17th century: from pot-ashes, from obsolete Dutch potasschen, originally obtained by leaching vegetable ashes and evaporating the solution in iron pots.

Words that rhyme with potash

gatecrash • Midrash
Definition of potash in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources