Ageing (disambiguation)
# 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
