Definition of sodium

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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

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Lazuli :: Lazuli (n.) A mineral of a fine azure-blue color, 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..
Nitratine :: Nitratine (n.) A mineral occurring in transparent crystals, usually of a white, sometimes of a reddish gray, or lemon-yellow, color; native sodium nitrate. It is used in making nitric acid and for manure. Called also soda niter..
Salicylic :: Salicylic (a.) Pertaining to, derived from, or designating, an acid formerly obtained by fusing salicin with potassium hydroxide, and now made in large quantities from phenol (carbolic acid) by the action of carbon dioxide on heated sodium phenolate. It is a white crystalline substance. It is used as an antiseptic, and in its salts in the treatment of rheumatism. Called also hydroxybenzoic acid..
Soap :: Soap (n.) A substance which dissolves in water, thus forming a lather, and is used as a cleansing agent. Soap is produced by combining fats or oils with alkalies or alkaline earths, usually by boiling, and consists of salts of sodium, potassium, etc., with the fatty acids (oleic, stearic, palmitic, etc.). See the Note below, and cf. Saponification. By extension, any compound of similar composition or properties, whether used as a cleaning agent or not..
Urate :: Urate (n.) A salt of uric acid; as, sodium urate; ammonium urate..
Soda :: Soda (n.) Sodium oxide or hydroxide.
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..
Natron :: Natron (n.) Native sodium carbonate.
Speiss :: Speiss (n.) A regulus consisting essentially of nickel, obtained as a residue in fusing cobalt and nickel ores with silica and sodium carbonate to make smalt..
Hypo :: Hypo (n.) Sodium hyposulphite, or thiosulphate, a solution of which is used as a bath to wash out the unchanged silver salts in a picture..
Cryolite :: Cryolite (n.) A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina..
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..
Sodic :: Sodic (a.) Of or pertaining to sodium; containing sodium.
Xyletic :: Xyletic (a.) Pertaining to, or designating, a complex acid related to mesitylenic acid, obtained as a white crystalline substance by the action of sodium and carbon dioxide on crude xylenol..
Thymate :: Thymate (n.) A compound of thymol analogous to a salt; as, sodium thymate..
Dipyridine :: Dipyridine (n.) A polymeric form of pyridine, C10H10N2, obtained as a colorless oil by the action of sodium on pyridine..
Thenardite :: Thenardite (n.) Anhydrous sodium sulphate, a mineral of a white or brown color and vitreous luster..
Soda :: Soda (n.) Popularly, sodium carbonate or bicarbonate..
Nitre :: Nitre (n.) Native sodium carbonate; natron.
Zircofluoride :: Zircofluoride (n.) A double fluoride of zirconium and hydrogen, or some other positive element or radical; as, zircofluoride of sodium..
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