ricinol-(see ricinus and -ol), the base of some terms of Chem., denoting substances derived from castor-oil, as riciˈnolamide, riciˈnoleate, riciˈnoleica., riciˈnolica. (See quots.)1851Chem. Gaz IX. 366 Castor oil, placed in contact with a solution of ammonia..forms a solid compound which represents the amide of ricinolic acid. This *ricinol-amide..crystallizes in mammillate groups.1857Miller Elem.Chem., Org. (1862) 260 When treated with ammonia, castor oil yields a solid crystalline amide, ricinolamide.1848Chem.Gaz. VI. 77 *Ricinoleate of Lime..is obtained by precipitating ricinoleate of ammonia with chloride of calcium [etc.].Ibid. 76 Pure *ricinoleic acid forms..a syrupy pale yellow liquid, which is colourless in thin layers, has a very strong..acrid taste.1857Miller Elem.Chem., Org. (1862) 260 The principal acid obtained by its saponification is a modification of oleic acid, termed ricinoleic acid.1851Chem.Gaz. IX. 367 *Ricinolic acid, obtained by saponification, is represented by C36H34O6.1857Miller Elem.Chem., Org. (1862) 165 Castor oil consists principally of the glycerin compound of a peculiar acid, ricinolic acid.1892Morley & Muir Watts' Dict.Chem. II. 773 Tri-oxy-stearic acid, ‘Ricinolic acid’.