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n. See potassium carbonate.

n. See potassium hydroxide.

n. Any of several compounds containing potassium, especially soluble compounds such as potassium oxide, potassium chloride, and various potassium sulfates, used chiefly in fertilizers.

n. the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer

n. an impure form of potassium carbonate (K2CO3) mixed with other potassium salts

n. in the names of compounds of the form "... of potash", potassium (for example, "permanganate of potash" = potassium permanganate)

n. The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.

n. The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).

n. A substance obtained by leaching wood-ashes, evaporating the solution obtained, and calcining the residuum; one of the fixed alkalis; the so-called vegetable alkali; more or less impure or crude potassium carbonate, or carbonate of potash as formerly generally (and still very frequently) designated; any combination of which potassium forms the base, whether containing oxygen or not.

n. a potassium compound often used in agriculture and industry

"While on this subject of caustic potash, it cannot be too often repeated that _caustic potash_ is a totally different article to _caustic soda_, though just like it in appearance, and therefore often sold as such."

hydrated oxide    hydroxide    lye   

potash alum    bichromate of potash    potash kettle country    potash blue    potash feldspar    potash-water    potash mica    stick potash    fish and potash-salts    lump-potash   

potass    potassium    potassa   

caustic potash   

iridiate of potash    nitrate of potash    osmiate of potash    acetate of potash    chromate of potash    manganate of potash    plumbate of potash    caustic potash    permanganate of potash    chlorate of potash   

potassa    magnesia    soda    ammonia    sulphur    lime    potassium    alum    phosphorus    bismuth