developablePronunciation: /dɪˈvɛləpəb(ə)l/Definition of developable adjective 1(of land or property) able to be adapted or improved so as to become profitable: there’s competition among retailers for developable sites 2 Geometry (of a curved surface) capable of being flattened into a plane without overlap or separation, as with a cylinder. 3 Mathematics (of a function or expression) capable of being expanded as a series. developable in other Oxford dictionaries Definition of developable in the US English dictionary