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.

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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

Another specialty was touching up photographs of long-ago-missing children, aging them up to the present.

From The Wall Street Journal

Making a contribution is vital to the healthy aging process.

From The Wall Street Journal

Capp wants to propel this aging chef’s signature dish from a single restaurant to the world stage.

From Salon

Musk is turning his attention to expanding Tesla’s AI capabilities, but the company still has to compete in an increasingly crowded EV market with an aging vehicle lineup and fewer government subsidies to incentivize buyers.

From The Wall Street Journal

Both were strongly associated with gray matter loss, faster brain aging, cognitive decline, and a higher risk of neurological disease.

From Science Daily