developable adjective 3noun 1forms 3 adjective3 •Suitable for development, often specifically for constructionA single hectare, or almost 2.5 acres, of developable land along the coast can easily cost $500,000. — 2007 •Which can be developed into a visible image. •Described by a moving right line, and such that consecutive positions of the generator intersect each other, allowing the surface to be developed into a plane. noun1 •A developable surface. formsdevelopables · more developable · most developable