oleic acid

Definitions

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.

uncountable

Equivalents

Examples

“The oleïc acid separated was again converted into soap by means of potash, and this soap again dissolved in water. An additional portion of margarate of potash precipitated. By repeating this process⟳ two or three times, the oleïc acid was obtained in a state of tolerable purity.”

“The insoluble portion consists essentially of compounds of cholesterine and isocholesterine with oleïc acid, and in lesser amount with solid fatty acids, e.g., stearic acid and hyæna acid.”

“Doubly linked acids with seventeen carbon-atoms are unknown, but with eighteen we know⟳ of oleïc acid and its isomers, elaïdic acid and iso-oleïc acid. Oleïc acid and elaïdic acid have⟳ one structure⟳ which has been differently interpreted as either one or other of these”

CEFR level