STEARIC a.
Pertaining to, or obtained from, stearin or tallow; resembling tallow. Stearic acid (Chem.), a monobasic fatty acid, obtained in the form of white crystalline scales, soluble in alcohol and ether. It melts to an oily liquid at 69°C.C18H36O2, CH3.(CH2)16.COOH; sodium stearate, with sodium palmitate, is the main componen…
FATTY a.
carbonic acids, as formic acid, acetic, etc.; -- so called because the higher members, as stearic and palmitic acids, occur in the natural fats, and are themselves fatlike substances. -- Fatty clays. See under Clay. -- Fatty degeneration (Med.), a diseased condition, in which the oil globules, naturally present in ce…
MARGARIC a.
osed to be an individual fatty acid, but is now known to be simply an intimate mixture of stearic and palmitic acids. (b) (Chem.) A white, crystalline substance, C17H34O2 of the fatty acid series, intermediate between palmitic and stearic acids, and obtained from the wax of certain lichens, from cetyl cyanide, and othe…
SOAP n.
y 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.