Definition of Soft soap. Meaning of Soft soap. Synonyms of Soft soap

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Definition of Soft soap

Soft soap
Soap Soap, n. [OE. sope, AS. s[=a]pe; akin to D. zeep, G. seife, OHG. seifa, Icel. s[=a]pa, Sw. s?pa, Dan. s?be, and perhaps to AS. s[=i]pan to drip, MHG. s[=i]fen, and L. sebum tallow. Cf. Saponaceous.] 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. Note: In general, soaps are of two classes, hard and soft. Calcium, magnesium, lead, etc., form soaps, but they are insoluble and useless. The purifying action of soap depends upon the fact that it is decomposed by a large quantity of water into free alkali and an insoluble acid salt. The first of these takes away the fatty dirt on washing, and the latter forms the soap lather which envelops the greasy matter and thus tends to remove it. --Roscoe & Schorlemmer. Castile soap, a fine-grained hard soap, white or mottled, made of olive oil and soda; -- called also Marseilles, or Venetian, soap. Hard soap, any one of a great variety of soaps, of different ingredients and color, which are hard and compact. All solid soaps are of this class. Lead soap, an insoluble, white, pliable soap made by saponifying an oil (olive oil) with lead oxide; -- used externally in medicine. Called also lead plaster, diachylon, etc. Marine soap. See under Marine. Pills of soap (Med.), pills containing soap and opium. Potash soap, any soap made with potash, esp. the soft soaps, and a hard soap made from potash and castor oil. Pumice soap, any hard soap charged with a gritty powder, as silica, alumina, powdered pumice, etc., which assists mechanically in the removal of dirt. Resin soap, a yellow soap containing resin, -- used in bleaching. Silicated soap, a cheap soap containing water glass (sodium silicate). Soap bark. (Bot.) See Quillaia bark. Soap bubble, a hollow iridescent globe, formed by blowing a film of soap suds from a pipe; figuratively, something attractive, but extremely unsubstantial. This soap bubble of the metaphysicians. --J. C. Shairp. Soap cerate, a cerate formed of soap, olive oil, white wax, and the subacetate of lead, sometimes used as an application to allay inflammation. Soap fat, the refuse fat of kitchens, slaughter houses, etc., used in making soap. Soap liniment (Med.), a liniment containing soap, camphor, and alcohol. Soap nut, the hard kernel or seed of the fruit of the soapberry tree, -- used for making beads, buttons, etc. Soap plant (Bot.), one of several plants used in the place of soap, as the Chlorogalum pomeridianum, a California plant, the bulb of which, when stripped of its husk and rubbed on wet clothes, makes a thick lather, and smells not unlike new brown soap. It is called also soap apple, soap bulb, and soap weed. Soap tree. (Bot.) Same as Soapberry tree. Soda soap, a soap containing a sodium salt. The soda soaps are all hard soaps. Soft soap, a soap of a gray or brownish yellow color, and of a slimy, jellylike consistence, made from potash or the lye from wood ashes. It is strongly alkaline and often contains glycerin, and is used in scouring wood, in cleansing linen, in dyehouses, etc. Figuratively, flattery; wheedling; blarney. [Colloq.] Toilet soap, hard soap for the toilet, usually colored and perfumed.

Meaning of Soft soap from wikipedia

- Look up soft soap or soft-soap in Wiktionary, the free dictionary. Soft soap may refer to: Soap that is liquid or easily soluble, usually made by saponification...
- (soft soap). Lithium soap or greases, such as lithium stearate, are insoluble in water and find use in lubricating grease. Calcium and magnesium soaps...
- glycerin. The resulting mixture is known as soft soap[broken anchor], which serves as a precursor for hard soap production. After adding sodium chloride...
- in soaps of distinct feel. The seed oils give softer but milder soaps. Soap made from pure olive oil, sometimes called Castile soap or M****ille soap, is...
- were produced in 2005. KOH is noteworthy as the precursor to most soft and liquid soaps, as well as numerous pot****ium-containing chemicals. It is a white...
- selling the brand to Colgate-Palmolive in 1987. Soft soap (disambiguation) US49561A, "Improved liquid soap", issued 1865-08-22  Archived 2019-06-27 at the...
- A soap opera (also called a daytime drama or soap) is a genre of a long-running radio or television serial, frequently characterized by melodrama, ensemble...
- pot****ium soaps (derived using KOH) are "soft" soaps. The fatty acid source also affects the soap's melting point. Most early hard soaps were manufactured...
- could be accidentally torn. The canvas was also coated with "linseed oil, soft soap, and yellow ochre" to make it waterproof. When, on the 18 June 1850, the...
- liquid, commonly called lye could then be mixed with fats to produce soft soap, or it could be evaporated (often by boiling) to produce pot ash or black...