Oleic a. : Pertaining to, derived from, or contained in, oil; as, oleic acid, an acid of the acrylic acid series found combined with glyceryl in the form of olein in certain animal and vegetable fats and oils, such as sperm oil, olive oil, etc. At low temperatures the acid is crystalline, but melts to an oily liquid above 14/ C.

Example:
Is Oleic Acid and Glyceryl Trioleate the same? or Are they different Structurally?

Taxonomy
Oleic acid, Octadecenoic acid, cis, olive oil, smell, death, free encyclopedia, fatty acids, 9Z, bee, double bond, CH2, blood pressure, Bishop, Paul, JP, Health effects, virgin olive oil.

Defination from the web:
Oleic acid is emitted by the decaying corpses of a number of insects, including bees and Pogonomyrmex ants and triggers the instincts of living ... Oleic acid content is responsible for the reduction in blood pressure induced by olive oil" ...