Ageing (disambiguation)

Aging is the effect of time on a person.

Aging or ageing may also refer to:

Biology

 * Senescence, the biological effect of time on an organism
 * Aging in cats
 * Aging in dogs

Demography

 * Population ageing, a shift in the distribution of a population towards older ages

Chemistry and materials science

 * Polymer degradation, a change of polymer properties due to environmental factors
 * Precipitation hardening, a heat treatment of materials
 * Ostwald ripening, precipitate or deposit aging in chemistry
 * Ageing (textiles), after treatment of textiles

Food preparation

 * Aging (food), the leaving of a product to improve its flavor
 * Aging of wine, the effect of time on wine
 * Barrel aging, a method of maturing wine, spirits, etc.
 * Beef aging, a process of preparing beef for consumption
 * Cheese ripening, a process in cheesemaking

Computers

 * Aging (file system), a tendency towards data fragmentation in file systems
 * Aging (scheduling), an operating system technique for resource allocation
 * Software aging, the tendency of software to exhibit problems as time passes by

Other uses

 * Aging (artwork), a process by which an artwork is made to appear old
 * Aging (journal), a medical journal