Wiktionary
n. (context fatty acid English) An unsaturated fatty acid, having 18 carbon atoms and one double bond, found in olive oil and very many other vegetable and animal oils and fats; it is used for making soap, cosmetics etc.
WordNet
n. a colorless oily liquid occurring as a glyceride; it is the major fatty acid in olive oil and canola oil; used in making soap and cosmetics and ointments and lubricating oils
Wikipedia
Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colorless oil, although commercial samples may be yellowish. In chemical terms, oleic acid is classified as a monounsaturated omega-9 fatty acid, abbreviated with a lipid number of 18:1 cis-9. It has the formula CH(CH)CH=CH(CH)COOH. The term "oleic" means related to, or derived from, oil of olive, the oil that is predominantly composed of oleic acid.
Usage examples of "oleic acid".
Consisting of a straight chain of carbon atoms, with hydrogen atoms along its length, and a carboxyl growth at one end, Oleic acid is the most widely distributed example of which lipid component?