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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.

Turf; soil; ground; sod. Fertile of corn the glebe, of oil, and wine. Milton.

A salt of glycocholic acid; as, sodium glycocholate.

a conjugate acid, composed of glycocoll and cholic acid, present in bile in the form of a sodium salt. The acid commonly forms a resinous mass, but can be crystallized in long, white needles.

a secondary disease during the progress of gout. -- Gouty concretions, calculi (urate of sodium) formed in the joints, kidneys, etc., of sufferers from gout. -- Gouty kidney, an affection occurring during the progress of gout, the kidney shriveling and containing concretions of urate of sodium.

A dictionary of prosody, designed as an aid in writing Greek or Latin poetry. He set to work . . . without gradus or other help. T. Hughes.

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

uring its oxidation in the lungs, and to have the power of freeing carbonic acid from the sodium carbonate of the serum. Thudichum.

Native salt; sodium chloride.

ave into the sky. Pope. Where heaves the turf in many a moldering heap. Gray. The heaving sods of Bunker Hill. E. Everett.

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…

Sodium hyposulphite, or thiosulphate, a solution of which is used as a bath to wash out the unchanged silver salts in a picture. [Colloq.]

as, ferric, sulphuric. It is also used in the general sense of pertaining to; as, hydric, sodic, calcic.

An aqueous solution of hypochlorite of sodium, extensively used as a disinfectant.

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.