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A portable apparatus for making soda water or aërated liquids on a small scale. Knight.

ving 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.

e same family (Salsola Kali), both formerly burned for the sake of the ashes, which yield soda for making glass and soap.

Sulphate of soda, a well-known cathartic. It is a white crystalline substance, with a cooling, slightly bitter taste, and is commonly called "salts."

A mineral, consisting of the sulphates of soda and lime.

Adapted for walking; anisodactylous; as the feet of certain birds and insects. See Illust. under Aves.

A red consisting of silica, borax, and soda, fused with oxide of copper and iron, and used in enamels, mosaics, etc.

An extensive division of Mammalia. It formerly included the Proboscidea, Hyracoidea, Perissodactyla, and Artiodactyla, but by later writers it is generally restricted to the two latter groups (Ungulata). They feed almost exclusively upon vegetation.

, corrosive gas, HCl, of pungent, suffocating odor. It is made in great quantities in the soda process, by the action of sulphuric acid on common salt. It has a great affinity for water, and the commercial article is a strong solution of the gas in water. It is a typical acid, and is an indispensable agent in commercia…

olor, usually in small rounded masses. It is essentially a silicate of alumina, lime, and soda, with some sodium sulphide, is often marked by yellow spots or veins of sulphide of iron, and is much valued for ornamental work. Called also lapis lazuli, and Armenian stone.

A mineral of a greenish yellow color; it is a silicate of glucina, lime, and soda with fluorine. Called also leucophanite.

The oxide of lithium; a strong alkaline caustic similar to potash and soda, but weaker. See Lithium. Lithia emerald. See Hiddenite.

The capital city of England. London paste (Med.), a paste made of caustic soda and unslacked lime; -- used as a caustic to destroy tumors and other morbid enlargements. -- London pride. (Bot.) (a) A garden name for Saxifraga umbrosa, a hardy perennial herbaceous plant, a native of high lands in Great Britain. (b) A na…

groups of crystals, also fibrous massive. It is a hydrous silicate of alumina, lime, and soda.

An old term covering natrolite or soda mesolite, scolecite or lime mesotype, and mesolite or lime-soda mesotype.

A granitoid rock containing feldspar, biotite, elæolite, and sodalite.

in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda.

ish masses having a greasy luster, as the variety elæolite. It is a silicate of aluminia, soda, and potash.

olor; native sodium nitrate. It is used in making nitric acid and for manure. Called also soda niter.

A triclinic soda-lime feldspar. See Feldspar.