Form of energyAbility to do work or diffuse heat. The unit of energy is th... generated by conversionIn nuclear technology the conversion of a substance in a fis... of primary energies, e.g. electricity from gas, nuclear energyInner binding energy of atomic nuclei. The nuclear building ..., coal, oil, fuelSee 'nuclear fuel'. oil, and gasoline from mineral oil, coke and coke oven gas from coal.