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Petroleum or crude oil, also referred to as simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, [1] and is found in geological formations. The name petroleum covers both naturally occurring unprocessed crude oil and petroleum products that consist of refined crude oil. Petroleum is primarily recovered by ...
An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) and lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturated lipids that are liquid at room temperature. The general definition of oil includes classes of chemical ...
U.S. olive oil is a mixture of virgin and refined oils; U.S. refined olive oil is an oil made from refined oils with some restrictions on the processing. These grades are voluntary. Certification is available, for a fee, from the USDA. In 2014, California adopted a set of olive oil standards for olive oil made from California-grown olives.
Synthetic oil. Synthetic oil is a lubricant consisting of chemical compounds that are artificially modified or synthesised. Synthetic lubricants can be manufactured using chemically modified petroleum components rather than whole crude oil, but can also be synthesized from other raw materials. The base material, however, is still overwhelmingly ...
Castor oil is a vegetable oil pressed from castor beans. [1] It is a colourless or pale yellow liquid with a distinct taste and odor. Its boiling point is 313 °C (595 °F) and its density is 0.961 g/cm 3. [2] It includes a mixture of triglycerides in which about 90% of fatty acids are ricinoleates.
v. t. e. A variety of cooking oils on a store shelf. Cooking oil (also known as edible oil) is a plant or animal liquid fat used in frying, baking, and other types of cooking. Oil allows higher cooking temperatures than water, making cooking faster and more flavorful, while likewise distributing heat, reducing burning and uneven cooking.
Palm oil is an edible vegetable oil derived from the mesocarp (reddish pulp) of the fruit of oil palms. [1] The oil is used in food manufacturing, in beauty products, and as biofuel. Palm oil accounted for about 36% of global oils produced from oil crops in 2014. [2] Palm oils are easier to stabilize and maintain quality of flavor and ...
The holy anointing oil of the Assyrian Church is variously referred to as the Oil of the Holy Horn, the Oil of the Qarna, or the Oil of Unction. This holy oil is an apostolic tradition, believed to have originated from the oil consecrated by the apostles themselves, and which by succession has been handed down in the Church into the modern day.