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..

Lern More About Soap

Saponaceous :: Saponaceous (a.) Resembling soap; having the qualities of soap; soapy.
Sope :: Sope (n.) See Soap.
Soapberry Tree :: Soapberry tree () Any tree of the genus Sapindus, esp. Sapindus saponaria, the fleshy part of whose fruit is used instead of soap in washing linen; -- also called soap tree..
Seak :: Seak (n.) Soap prepared for use in milling cloth.
Hardness :: Hardness (n.) The peculiar quality exhibited by water which has mineral salts dissolved in it. Such water forms an insoluble compound with soap, and is hence unfit for washing purposes..
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..
Soaping :: Soaping (p. pr. & vb. n.) of Soa.
Soapy :: Soapy (superl.) Smeared with soap; covered with 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..
Sued :: Suds (n. pl.) Water impregnated with soap, esp. when worked up into bubbles and froth..
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..
Soapwort :: Soapwort (n.) A common plant (Saponaria officinalis) of the Pink family; -- so called because its bruised leaves, when agitated in water, produce a lather like that from soap. Called also Bouncing Bet..
Bubble :: Bubble (n.) A thin film of liquid inflated with air or gas; as, a soap bubble; bubbles on the surface of a river..
Lather :: Lather (n.) Foam or froth made by soap moistened with water.
Pearlash :: Pearlash (n.) A white amorphous or granular substance which consists principally of potassium carbonate, and has a strong alkaline reaction. It is obtained by lixiviating wood ashes, and evaporating the lye, and has been an important source of potassium compounds. It is used in making soap, glass, etc..
Castile Soap :: Castile soap () A kind of fine, hard, white or mottled soap, made with olive oil and soda; also, a soap made in imitation of the above-described soap..
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..
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..
Quillaia Bark :: Quillaia bark () The bark of a rosaceous tree (Quillaja Saponaria), native of Chili. The bark is finely laminated, and very heavy with alkaline substances, and is used commonly by the Chilians instead of soap. Also called soap bark..
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