(geometry) A surface (in more than two dimensions, a plane is trivially developable) that can be flattened into a plane without distortion.

(computing, Internet) A person who develops applications designed to be used via the World Wide Web.

(psychology) The progressive evolution of infantile sexuality through oral, anal, phallic, latent, and genital phases.

The work involved in developing a web site for the Internet or an intranet.

financial aid given by developed countries to promote the development of underdeveloped or developing countries.

(computing) A developer's feeling about their tools, processes, constrains etc, and how it impacts productivity.

The situation where a movie, a piece of software, etc. is mired in problems that delay its production and release.

Synonym of development hell

plural of sustainable development

plural of arrested development