Webster Dictionary(0.00 / 0 votes)Rate this definition: a black pigment found in the pigment-bearing cells of the skin (particularly in the skin of the negro), in the epithelial cells of the external layer of the retina (then called fuscin), in the outer layer of the choroid, and elsewhere. Origin: [Gr.
1 Some people prefer to season a wok using the oven. 2  Peanut oil or corn oil are ideal oils for seasoning a wok because they have a high smoke point. 3  Stainless steel or nonstick-coated woks do not need to be seasoned.
Vegetable oil can be used as an alternative fuel in diesel engines and in heating oil burners.When vegetable oil is used directly as a fuel, in either modified or unmodified equipment, it is referred to as straight vegetable oil (SVO) or pure plant oil (PPO).onventional diesel engines can be modified to help ensure that the viscosity of the vegetable oil is low enough to allow proper atomization of the fuel. This prevents incomplete combustion, which would damage the engine by causing a build-up of carbon.