potash
Speech parts
1. potash - Noun
2. potash - Verb
3. Potash - Proper noun
Meaning
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 dictionarySynonyms
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After heating this substance with calcium hydroxide (slaked lime), a far more strongly basic substance known as caustic potash ( potassium hydroxide ) was produced.
After the water evaporated, the potassium salts crystallized into beds of potash ore.
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.
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.
Davy discovered potassium in 1807, deriving it from caustic potash (KOH).
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.