n. The act of putting on a load.n. A cargo; a burden; lading; also, anything that makes part of a load.n. Anything that is added to a substance or material in order to give it weight or body: as, the China clay or pearl-white used for loading note-paper.n. In art, a heavy charge of opaque color. See load, transitive verb, 7.n. In insurance, that part of the charge or premium on a policy which constitutes its share of the expenses of management.Made so as to be loaded (in the way specified): as, a breech-loading or a muzzle-loading gun.n. The process of filling silk with metallic compounds, for which it has a great attraction when in solution, in order to increase its weight.n. In electricity, a method invented by M. J. Pupin, of reducing the attenuation of telephonic currents in underground cables and long-distance lines (and therefore improving the operation). It consists in inserting into the telephone-line at certain definite intervals self-induction coils, which neutralize the deleterious effect of the electrostatic capacity of the line.n. The exorbitant profit exacted from workmen under the truck system (which see, under truck).