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potash
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- Potash - n. - The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.
- Potash - n. - The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).
- Potashes - n. pl. - Potash.
- Vienna paste - - A caustic application made up of equal parts of caustic potash and quicklime; -- called also Vienna caustic.
- Hydromica - n. - A variety of potash mica containing water. It is less elastic than ordinary muscovite.
- Lithia - n. - The oxide of lithium; a strong alkaline caustic similar to potash and soda, but weaker. See Lithium.
- Orthoclase - n. - Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. See Feldspar.
- Damourite - n. - A kind of Muscovite, or potash mica, containing water.
- Saline - n. - A crude potash obtained from beet-root residues and other similar sources.
- Polverine - n. - Glassmaker's ashes; a kind of potash or pearlash, brought from the Levant and Syria, -- used in the manufacture of fine glass.
- Suint - n. - A peculiar substance obtained from the wool of sheep, consisting largely of potash mixed with fatty and earthy matters. It is used as a source of potash and also for the manufacture of gas.
- Dover's Powder - - A powder of ipecac and opium, compounded, in the United States, with sugar of milk, but in England (as formerly in the United States) with sulphate of potash, and in France (as in Dr. Dover's original prescription) with nitrate and sulphate of potash and licorice. It is an anodyne diaphoretic.
- Roscoelite - n. - A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.
- Bromoform - n. - A colorless liquid, CHBr3, having an agreeable odor and sweetish taste. It is produced by the simultaneous action of bromine and caustic potash upon wood spirit, alcohol, or acetone, as also by certain other reactions. In composition it is the same as chloroform, with the substitution of bromine for chlorine. It is somewhat similar to chloroform in its effects.
- Margarodite - n. - A hidrous potash mica related to muscovite.
- Greensand - n. - A variety of sandstone, usually imperfectly consolidated, consisting largely of glauconite, a silicate of iron and potash of a green color, mixed with sand and a trace of phosphate of lime.
- Muscovite - n. - Common potash mica. See Mica.
- Ashery - n. - A place where potash is made.
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