Definition of soap
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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..
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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..
Soap ::
Soap (v. t.) To rub or wash over with soap.
Talc ::
Talc (n.) A soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses. It is hydrous silicate of magnesia. Steatite, or soapstone, is a compact granular variety..
Soapy ::
Soapy (superl.) Resembling soap; having the qualities of, or feeling like, soap; soft and smooth..
Benne ::
Benne (n.) The name of two plants (Sesamum orientale and S. indicum), originally Asiatic; -- also called oil plant. From their seeds an oil is expressed, called benne oil, used mostly for making soap. In the southern United States the seeds are used in candy..
Soaproot ::
Soaproot (n.) A perennial herb (Gypsophila Struthium) the root of which is used in Spain as a substitute for soap.
Saponify ::
Saponify (v. t.) To convert into soap, as tallow or any fat; hence (Chem.), to subject to any similar process, as that which ethereal salts undergo in decomposition; as, to saponify ethyl acetate..
Saponite ::
Saponite (n.) A hydrous silicate of magnesia and alumina. It occurs in soft, soapy, amorphous masses, filling veins in serpentine and cavities in trap rock..
Shampoo ::
Shampoo (v. t.) To wash throughly and rub the head of (a person), with the fingers, using either soap, or a soapy preparation, for the more thorough cleansing..
Opodeldoc ::
Opodeldoc (n.) A saponaceous, camphorated liniment; a solution of soap in alcohol, with the addition of camphor and essential oils; soap liniment..
Saponin ::
Saponin (n.) A poisonous glucoside found in many plants, as in the root of soapwort (Saponaria), in the bark of soap bark (Quillaia), etc. It is extracted as a white amorphous powder, which occasions a soapy lather in solution, and produces a local anaesthesia. Formerly called also struthiin, quillaiin, senegin, polygalic acid, etc. By extension, any one of a group of related bodies of which saponin proper is the type..
Bar ::
Bar (n.) An indefinite quantity of some substance, so shaped as to be long in proportion to its breadth and thickness; as, a bar of gold or of lead; a bar of soap..
Phoneidoscope ::
Phoneidoscope (n.) An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across the end of which is stretched a film of soap solution thin enough to give colored bands, the form and position of which are affected by sonorous vibrations..
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