- a colorless, odorless, liquid, water-insoluble, unsaturated acid, C18H34O2, obtained from animal tallow and natural vegetable oils, in which it occurs as the glycerol ester: used chiefly in the manufacture of soap, commercial oleates, and cosmetics.
- a colourless oily liquid unsaturated acid occurring, as the glyceride, in almost all natural fats used in making soaps, ointments, cosmetics, and lubricating oils. Formula: CH 3 (CH 2) 7 CH:CH(CH 2) 7 COOH
