n. Any process for imparting the characteristics and properties of age: as, the aging of wines and liquors by heat and agitation.n. In calicoprinting and dyeing, the process of fixing the soluble mordant or dye by exposing the cloth in well-ventilated chambers to air which is kept warm and moist, for a time sufficient to allow the mordant or dye laid upon the surface of the cloth to penetrate the fibers and become firmly attached to them. Any superfluous portions, or those which may remain soluble, are removed by dungingn. .—3. In ceramics, the storage of prepared clay, to allow it time to ferment and ripen before using. E. H. Knight.n. Also spelled ageing.n. In the preparation of logwood for dyeing, the process of exposing the wood (usually in the form of chips) to the air, in order that the hematoxylin it, contains may be oxidized or developed into hematein, the actual coloring agent. Also known as curing or maturing.n. In electricity, the property, exhibited more or less by iron, of showing an increase of hysteresis loss when for a long time exposed to alternating magnetization, especially at a higher temperature.