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Cryolite :: Cryolite (n.) A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina..

Metalloid :: Metalloid (n.) Formerly, the metallic base of a fixed alkali, or alkaline earth; -- applied by Sir H. Davy to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined..

Ultramarine :: Ultramarine (n.) A blue pigment formerly obtained by powdering lapis lazuli, but now produced in large quantities by fusing together silica, alumina, soda, and sulphur, thus forming a glass, colored blue by the sodium polysulphides made in the fusion. Also used adjectively..

Sodium :: Sodium (n.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so readily oxidized that it combines violently with water, and to be preserved must be kept under petroleum or some similar liquid. Sodium is used combined in many salts, in the free state as a reducer, and as a means of obtaining other metals (as magnesium and aluminium) is an important commercial product. Symbol

Cholate :: Cholate (n.) A salt of cholic acid; as, sodium cholate..

Antichlor :: Antichlor (n.) Any substance (but especially sodium hyposulphite) used in removing the excess of chlorine left in paper pulp or stuffs after bleaching.

Symbol :: Symbol (n.) An abbreviation standing for the name of an element and consisting of the initial letter of the Latin or New Latin name, or sometimes of the initial letter with a following one; as, C for carbon, Na for sodium (Natrium), Fe for iron (Ferrum), Sn for tin (Stannum), Sb for antimony (Stibium), etc. See the list of names and symbols under Element..

Valence :: Valence (n.) The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four..

Sodamide :: Sodamide (n.) A greenish or reddish crystalline substance, NaNH2, obtained by passing ammonia over heated sodium..

Stearic :: Stearate (n.) A salt of stearic acid; as, ordinary soap consists largely of sodium or potassium stearates..

Natrium :: Natrium (n.) The technical name for sodium.

Vallet''s Pills :: Vallet's pills () Pills containing sulphate of iron and carbonate of sodium, mixed with saccharine matter; -- called also Vallet's mass..

Glycocholate :: Glycocholate (n.) A salt of glycocholic acid; as, sodium glycocholate..

Metal :: Metal (n.) An elementary substance, as sodium, calcium, or copper, whose oxide or hydroxide has basic rather than acid properties, as contrasted with the nonmetals, or metalloids. No sharp line can be drawn between the metals and nonmetals, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc..

Saleratus :: Saleratus (n.) Aerated salt; a white crystalline substance having an alkaline taste and reaction, consisting of sodium bicarbonate (see under Sodium.) It is largely used in cooking, with sour milk (lactic acid) or cream of tartar as a substitute for yeast. It is also an ingredient of most baking powders, and is used in the preparation of effervescing drinks..

Mirabilite :: Mirabilite (n.) Native sodium sulphate; Glauber's salt.

Borax :: Borax (n.) A white or gray crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors on porcelain, and as a soap. It occurs native in certain mineral springs, and is made from the boric acid of hot springs in Tuscany. It was originally obtained from a lake in Thibet, and was sent to Europe under the name of tincal. Borax is a pyroborate or tetraborate of sodium, Na2B4O7.10H2O..

Zirco- :: Zirco- () A combining form (also used adjectively) designating zirconium as an element of certain double compounds; zircono-; as in zircofluoric acid, sodium zircofluoride..

Sucre :: Sucrate (n.) A compound of sucrose (or of some related carbohydrate) with some base, after the analogy of a salt; as, sodium sucrate..

Salt :: Salt (n.) The chloride of sodium, a substance used for seasoning food, for the preservation of meat, etc. It is found native in the earth, and is also produced, by evaporation and crystallization, from sea water and other water impregnated with saline particles..

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