Dual-purpose is a noun and adjective referring to things serving two purposes. It can specifically refer to:
Dual-use technology Dual-purpose gun, a naval artillery mounting designed to engage both surface and air targets Dual-Purpose Improved Conventional Munition Dual-purpose motorcycle, designed for both on- and off-road use Dual Purpose Ladder (London Fire Brigade), a standard type of firefighting vehicle used by the London Fire Brigade Fighting knife Viaduct, a road bridge-aqueduct Dual-purpose breed, an animal or plant breed that provide at least two types of resources, for example, dual-purpose chicken breeds, bred for meat and egg production
See also Dual (disambiguation) Purpose (disambiguation) Hybrid (disambiguation) Multi-purpose (disambiguation) Single-purpose (disambiguation)