say it: di-VEL-uh-ping
developing is a noun and adjective meaning "processing a photosensitive material in order to make an image visible". It carries 2 recorded senses.
processing a photosensitive material in order to make an image visible
“the development and printing of his pictures took only two hours”
relating to societies in which capital needed to industrialize is in short supply
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for developing come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.