(aviation) A type of energy-absorbing landing gear strut in which sudden compression or extension of the strut causes a gas-filled chamber to push or pull a piston which forces oil through a small orifice, resulting in absorption of energy through viscous effects.

(US) The various fats and oils that go into the making of margarine.

(US, dated) Margarine.

oil or oil-based materials

plural of oleo

An oil expressed from certain animal fats (especially beef suet), the greater portion of the solid fat, or stearin, being left behind. It is a mixture of olein, palmitin, and a little stearin.

(organic chemistry) Derived from a natural vegetable oil or animal fat

(organic chemistry) Any organic compound derived from a natural vegetable oil or animal fat

plural of oleochemical

(mycology) A cystidium which is leaking an oily substance.