oleo-, ole-, -oleic, ol-

(Greek > Latin: [olive] oil; fat)

oleo (s) (noun), oleos (pl)
Short for margarine: The outdated term oleo refers to the different fats and oils that are used in making a spread, usually for sandwiches, and which is a substitute for butter.
oleo oil (s) (noun), oleo oils (pl)
A pleonastic (redundant) term referring to a yellow fatty substance extracted from beef fat: Oleo oils are used in the manufacture of margarine and soap.
oleoarthrosis (s) (noun), oleoarthroses (pl)
Injection of oil into a joint cavity: Because of the loss of lubricating fluid, George's doctor recommended oleoarthrosis as a procedure to infuse a lubricating oil into his painful bone connections.
oleochrysotherapy (s) (noun), oleochrysotherapies (pl)
Treatment with gold salts in a fat or oily base: Jack's doctor suggested that he should try oleochrysotherapy in order to relieve his medical problem.
oleoduct (s) (noun), oleoducts (pl)
A channel for the conveyance of oil; pipe-line: An oleoduct is used to convey rock-oil or petroleum from an oil-well or oil-field to the point of export.
oleogranuloma (s) (noun), oleogranulomas; oleogranulomata (pl)
A granuloma resulting from continuous contact with an oil: Oleogranuloma is an inflammation caused by a deposit or injection of any oily liquid substance into a person's tissue.
oleograph (s) (noun), oleographs (pl)
A picture produced in oil colors similar to that of lithographic printing: An oleograph is a picture printed in oil colors in imitation of an oil painting.

Jane used a method called "chromolithography" to have her picture appear as an oil painting, which is termed as an oleograph.

oleography (s) (noun) (no pl)
The art or process of creating a chromolithograph printed in colors: Oleography refers to the process of printing with oil colors on canvas, or on cloth as well as on paper, in order to imitate an oil painting.
oleoinfusion (s) (noun), oleoinfusions (pl)
A medicinal preparation: Oleoinfusion is obtained by the injection of the active components of a drug into an oil.
oleomargarine (s) (noun), oleomargarines (pl)
A butter substitute made by hydrogenation of a mixture of vegetable oils: Oleomargarine, a dated term for margarine, is either sold as a stick or as a spread and is quite tasty on bread or crackers, or it is even used in preparing other delicious dishes of food.
oleometer (s) (noun), oleometers (pl)
1. A hydrometer used to determine the specific gravity of oils, or calibrated in the range of specific gravity of oils: An oleometer is an instrument used for calculating the weight and purity of oils.
2. An apparatus for determining the content of oil in a material: An oleometer is helpful in ascertaining the amount of oil contained in nuts, seeds, in pressed seed-cakes, or in other items.
oleophilic (adjective), more oleophilic, most oleophilic
Pertaining to a substance having an affinity for oils; lipophilic: Sponges are termed as being oleophilic, or having the ability of absorbing oil easily.

Sponges are also "superhydrophobic", which means they are extremely difficult to wet, and remain on the surface of water.

oleophobic (adjective), more oleophobic, most oleophobic
Referring to the tendency of rejecting oils or oily materials: Some cell or mobile phones have an oleophobic finish or coating on the screen which repels the natural oil on a person's fingers.

Water is oleophobic in that it cannot absorb grease or fuel oil, for example.

oleo-pneumatic (adjective) (not comparable)
A reference to a device or system that absorbs shocks: An oleo-pneumatic mechanism cushions or softens the impacts when taking off or landing an airplane by using a combination of forcing oil through an orifice and compression of air or another gas.
oleoresin (s) (noun), oleoresins (pl)
A mixture of a resin and an essential oil; Oleoresin is either obtained naturally from plants or produced synthetically.

One kind of oleoresin is fragrant and used in medicines and perfumes.

Related fat-word units: adipo-; lard; lipo-; obeso-; omento-; pimelo-; pio-; sebo-; steato-.