[n] processing a photosensitive material in order to make an image visible; "the development and printing of his pictures took only two hours"
[adj] relating to societies in which capital needed to industrialize is in short supply
[adj] gradually unfolding or growing (especially as of something latent); "his developing social conscience"; "after the long winter they took joy in the developing warmth of spring"
[adj] making or becoming visible through or as if through the action of a chemical agent; "he watched as the developing photograph became clearer and sharper"