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Sepia :: Sepia (n.) A pigment prepared from the ink, or black secretion, of the sepia, or cuttlefish. Treated with caustic potash, it has a rich brown color; and this mixed with a red forms Roman sepia. Cf. India ink, under India..

Suigothus :: 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..

Vienna Paste :: Vienna paste () A caustic application made up of equal parts of caustic potash and quicklime; -- called also Vienna caustic.

Black Salts :: Black salts () Crude potash.

Potassa :: Potassa (n.) Potassium hydroxide, commonly called caustic potash..

Hygrometrical :: Hygrometrical (a.) Readily absorbing and retaining moisture; as, hygrometric substances, like potash..

Bromoform :: 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..

Vitriolated :: Vitriolated (a.) Changed into a vitriol or a sulphate, or subjected to the action of sulphuric acid or of a sulphate; as, vitriolated potash, i. e., potassium sulphate..

Margarodite :: Margarodite (n.) A hidrous potash mica related to muscovite.

Feldspath :: Feldspath (n.) A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case, baryta. They occur in crystals and crystalline masses, vitreous in luster, and breaking rather easily in two directions at right angles to each other, or nearly so. The colors are usually white or nearly white, flesh-red, bluish, or greenish..

Phlogopite :: Phlogopite (n.) A kind of mica having generally a peculiar bronze-red or copperlike color and a pearly luster. It is a silicate of aluminia, with magnesia, potash, and some fluorine. It is characteristic of crystalline limestone or dolomite and serpentine. See Mica..

Hydromica :: Hydromica (n.) A variety of potash mica containing water. It is less elastic than ordinary muscovite.

Orthoclase :: Orthoclase (n.) Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. See Feldspar.

Polverine :: Polverine (n.) Glassmaker's ashes; a kind of potash or pearlash, brought from the Levant and Syria, -- used in the manufacture of fine glass..

Smalt :: Smalt (v. t.) A deep blue pigment or coloring material used in various arts. It is a vitreous substance made of cobalt, potash, and calcined quartz fused, and reduced to a powder..

Gismondite :: Gismondite (n.) A native hydrated silicate of alumina, lime, and potash, first noticed near Rome..

Greensand :: 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..

Lithia :: Lithia (n.) The oxide of lithium; a strong alkaline caustic similar to potash and soda, but weaker. See Lithium..

Damourite :: Damourite (n.) A kind of Muscovite, or potash mica, containing water..

Glass :: Glass (v. t.) A hard, brittle, translucent, and commonly transparent substance, white or colored, having a conchoidal fracture, and made by fusing together sand or silica with lime, potash, soda, or lead oxide. It is used for window panes and mirrors, for articles of table and culinary use, for lenses, and various articles of ornament..

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