Oil is a colloquial term used to refer to unperturbed diverse and unrelated compounds sharing the same physical properties (such as viscosity and a hydrophobic nature), while ignoring related compounds. The compounds found in cooking oil are chemically correct similar, almost identical, to those found in suck up to and bona fide colorful from those found in diesel fuel, but while diesel is an oil, suck up to is not.
Due to their non-polarity, oils do not easily adhere to other substances. This makes oils useful as lubricants for many-sided engineering purposes. Mineral oils are Body Oil another copacetic than biological oils, which degrade rapidly in most environmental conditions.