A viscous liquid derived from petroleum, especially for use as a fuel or lubricant
Help something go smoothly
make sure the car has enough oil
The form of medieval French spoken north of the Loire, generally characterized by the use of oïl to mean ‘yes,’ and forming the basis of modern French
A type of fuel oil distilled from petroleum
Oil obtained from the kernels of nuts and used in cooking and to make paints and varnishes
An age in which oil is used extensively, especially as a source of power.
A bag containing oil or for containing oil; (Nautical) a bag used to drip oil on to the sea to calm the waves. Also (formerly): †a bag to contain a substance from which oil is to be expressed (obsolete).
Christian Church a container for holy oil.
A gaseous mixture derived from mineral oils by destructive distillation
More fully oil-nut tree. Any of various trees or shrubs that produce oil-rich nuts or large seeds; specifically (a) the castor oil plant, Ricinus communis; (b) the butternut, Juglans cinerea; (c) the buffalo-nut, Pyrularia pubera; (d) the oil palm, Elaeis guineensis.
The bottom section of the crankcase of an internal combustion engine, serving as the reservoir for its lubricating oil
Any of several vivid red, oil-soluble azo dyes, especially (in full Oil Red O) one having the formula C26H24N4O, used as a histological stain for lipids.
A structure with equipment for drilling and servicing an oil well
A vat containing oil.
Oleic acid (now rare).
A volatile oil obtained by distilling tar, sometimes used as an insecticide
An oil resembling olive oil obtained from the seeds of the sasanqua and related plants, used chiefly in China and Japan
A compound or mixture of chemicals used to imitate the flavour or scent of apples; especially the ester isoamyl isovalerate (C10H20O2).
An aromatic culinary oil expressed from the seeds of the argan tree, native to an area of southwestern Morocco
A mineral oil used to soften the skin
Any of various dark-coloured oils; (in later use) specifically a heavy mineral oil used for lubrication and fuel.
Oil, especially paraffin, transported in metal cans packed in wooden cases.
Another term for kerosene.
An oil obtained from the germ of corn, used in cooking and salad dressings
Petroleum, natural mineral oil.
Another term for fixed oil.
A nonvolatile oil of animal or plant origin
Oil used as fuel in an engine or furnace
A mixture of several alcohols (chiefly amyl alcohol) produced as a byproduct of alcoholic fermentation
Oil pressed from unripe olives.
Any of several medicinal preparations containing mercury and one or more oily substances, typically administered by injection in the treatment of syphilis.
Cosmetic oil used in styling a person’s hair
Any of the relatively dense hydrocarbons (denser than water) derived from petroleum, coal tar, and similar materials
An oil obtained from the liver of a fish (or a cetacean).
Oil used for lubricating an engine or component
An oil applied to the inner surface of formwork to prevent concrete adhering to it.
A volatile oil obtained from the exudate of a myrrh tree.
Alcoholic drink, especially beer.
= niger seed oil.
A magnate in the oil industry
An oil used as a main ingredient in, or foundation or medium for, paint, varnish, perfume, or some other product (frequently attributive).
Having oil as a medium or main ingredient
A receptacle containing oil, used for cooling, heating, lubricating, or insulating equipment immersed in it
A zone containing oilfields.
Botany and Microbiology (in various eukaryotic microorganisms and plant tissues) an intracellular inclusion consisting of a core of neutral lipids surrounded by a membrane monolayer of phospholipids.
A sudden increase in economic activity or wealth as a result of the exploitation of mineral oil.