[1] : The Collaborative International Dictionary of English v.0.48

ageing \ageing\ n.
   same as aging.

   syn: ripening, aging, mellowing
        wordnet 1.5
see also:
aging 

[2] : The Collaborative International Dictionary of English v.0.48

ageing \ageing\ adj.
   1. having lived for a relatively long or a specified time;
      not young; -- used especially of persons. opposite of
      young.

   syn: aging, senescent, old.
        wordnet 1.5
see also:
young 

[3] : The Collaborative International Dictionary of English v.0.48

aging \ag"ing\, n.
   the process by which objects or materials acquire desirable
   qualities by being left undisturbed for some time under
   specific conditions. it is used mostly for foods snd
   beverages, but also for other materials. also spelled
   ageing.
   wordnet 1.5 +pjc
see also:
ageing 

[4] : WordNet (r) 2.0

ageing
     adj : growing old syn: aging, senescent
     n 1: acquiring desirable qualities by being left undisturbed for
          some time syn: ripening, aging
     2: the organic process of growing older and showing the effects
        of increasing age syn: aging, senescence
see also:
aging senescent ripening senescence 

Ageing >> A Words
Ageing, definition of term: Ageing
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