aging

American  

[ey-jing] / ˈeɪ dʒɪŋ /

Or ageing

noun

1. the process of becoming old or older.

   The aging of the population has had an effect on state revenues.

2. the process of bringing a product, material, etc., to maturity or a state fit for use.

   the proper aging of cheese in controlled conditions of temperature and humidity.

3. the process of making something seem older than it is.

   The leather tabletop is a recent replacement with deliberate aging and antiquing.

---

adjective

1. becoming old or older; showing signs of growing old.

   Many of us are caring for an aging parent in declining health.

2. giving the appearance of being old or older.

   They used aging makeup on some of the actors instead of recasting the roles.

Etymology

Origin of aging

First recorded in 1400–50; late Middle English; age ( def. ) + -ing ¹ ( def. ) for the noun; age ( def. ) + -ing ² ( def. ) for the adjective

Example Sentences

Venezuela has been relying on assistance from the Iranians and Chinese to prevent its aging oil infrastructure from collapsing.

From The Wall Street Journal

A shortage of skilled workers and rising healthcare costs amid an aging population have contributed to an expected deficit in 2025.

From Barron's

A shortage of skilled workers and rising healthcare costs amid an aging population have contributed to an expected deficit in 2025.

From Barron's

Until recently, Copenhagen defended the world’s largest island with four aging patrol ships and 12 dog-sled teams.

From MarketWatch

These increases are largely driven by population growth and the continued aging of populations worldwide.

From Science Daily