1. potash - Noun
2. potash - Verb
3. Potash - Proper noun
The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.
The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).
Source: Webster's dictionaryAfter heating this substance with calcium hydroxide (slaked lime), a far more strongly basic substance known as caustic potash ( potassium hydroxide ) was produced. Source: Internet
After the water evaporated, the potassium salts crystallized into beds of potash ore. Source: Internet
As early as 1767, potash from wood ashes was exported from Canada, and exports of potash and pearl ash (potash and lime) reached 43,958 barrels in 1865. Source: Internet
After the surprise breakup of the world's largest potash cartel at the end of July 2013, potash prices are poised to drop some 20 percent. Source: Internet
Davy discovered potassium in 1807, deriving it from caustic potash (KOH). Source: Internet
Charcoal burners (Köhler) built their wood piles (Meiler) in the woods and produced charcoal which, like the products of the potash boilers - further processed inter alia for the glassmaking industry. Source: Internet