n. Order; arrangement.n. The physiological process of converting the food from the state in which it enters the mouth to that in which it can pass from the alimentary canal into the blood-vessels and lymphatics.n. n. The function or power of assimilating nutriment.n. In botany: The process carried on in leaves under the action of light, resulting in the decomposition of carbonic acid and the evolution of oxygen.n. In insectivorous plants, an action of secreted fluids upon insects or other organic matter, similar to the process of digestion in animals.n. In chem.: The operation of exposing bodies to heat to prepare them for some action on each other.n. The action ofa solvent on any substance, especially under the influence of heat and pressure; solution; liquefaction. See digester .n. The act of methodizing and reducing to order; coördination.n. The process of maturing an ulcer or a wound, and disposing it to generate pus; maturation.n. The process of dissolution and preparation of substances for manure, as in compost.