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

New research from NYU School of Global Public Health suggests that these fears could be linked to faster aging at the cellular level in women.

From Science Daily

We can howl about how this stuff hurts the business of up-and-coming fighters, but aging punchers grabbing late checks is a staple of the trade.

From The Wall Street Journal

New research from the USC Leonard Davis School of Gerontology suggests it could also be associated with slower biological aging in older adults.

From Science Daily

Before drawing conclusions, it is important to understand who was studied and how aging changes the body's nutritional needs.

From Science Daily

The study offers the latest evidence of worsening health among younger U.S. adults, including deaths from conditions traditionally tied to aging, such as heart disease and cancer.

From The Wall Street Journal