The term "natural oils" refers to a group of substances that are liquid at room temperature and are derived from natural sources. These oils contain hydrocarbon chains, which give them their characteristic properties such as low viscosity, high flammability, and affinity for water.
Natural oils can be obtained from various sources including plants (such as sunflower oil or coconut oil), animals (like fish oil) or even mineral sources like petroleum. They are widely used in cosmetics, cooking, and other industrial applications due to their unique chemical properties.
Overall, the term "natural oils" refers to a diverse group of substances that share certain characteristics but can vary greatly depending on their source.