
1) Agricultural chemical 2) Alkaline compound 3) An oxide 4) Bleaching chemical 5) Burned-wood byproduct 6) Burning by-product 7) Caustic potash 8) Chemical used in making soap 9) Chemical used in soap 10) Compound in some soaps 11) Dead sea product 12) Dope tree fertiliser 13) Fertilizer additive 14) Fertilizer component
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1) Lye
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Potash ʃ is any of various mined and manufactured salts that contain potassium in water-soluble form. The name derives from `pot ash`, which refers to plant ashes soaked in water in a pot, the primary means of manufacturing the product before the industrial era. The word `potassium` is derived from potash. Today, potash is produced worldwide ...
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http://en.wikipedia.org/wiki/Potash

• (n.) The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash). • (n.) The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.
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A form of potassium contained in the soil and fertilizers and utilized by plants.
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various potassium compounds, chiefly crude potassium carbonate. The names caustic potash, potassa, and lye are frequently used for potassium ... [7 related articles]
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http://www.britannica.com/eb/a-z/p/101

<chemistry> A white amorphous or granular substance which consists principally of potassium carbonate, and has a strong alkaline reaction. ... The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; hence ... The impure potassium carbonate obtained by leaching wood ashes, and eva...
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http://www.encyclo.co.uk/local/20973
Pot'ash` noun [
Pot +
ash .]
(Chemistry) (a) The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also
caustic potash .
(b) The impure potassium carbonate obtained by leaching...
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http://www.encyclo.co.uk/webster/P/136

Type: Term Pronunciation: pot′ash Definitions: 1. Impure potassium carbonate. Synonyms: pearl-ash
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Potash is the name given to any mineral containing potassium.
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A potassium (K) compound, especially potassium chloride, sulfate, or oxide, used in fertilizers.
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Potassium carbonate
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[
n] - a potassium compound often used in agriculture and industry
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http://www.webdictionary.co.uk/definition.php?query=potash
caustic potash noun a potassium compound often used in agriculture and industry
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https://www.encyclo.co.uk/local/20974

General name for any potassium-containing mineral, most often applied to potassium carbonate (K
2CO
3) or potassium hydroxide (KOH). Potassium carbonate, originally made by roasting plants to ashes in earthenware pots, is commercially produced from the ...
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https://www.encyclo.co.uk/local/21221

Potassium compounds mined for fertilizer and for use in the chemical industry.
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https://www.encyclo.co.uk/local/22734
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