the atmosphere and outer space considered together or as a whole.

the sector of industry that designs and builds aircraft, rockets, missiles, and devices or vehicles intended to operate in outer space.

the atmosphere surrounding the earth and extending to outer space and as an adjective the industries that create the space program that do research in that area Aerospace is a rapidly developing professional area combining science and engineering. Finding water on Mars is an important development for the aerospace industry.

() the science of the Earth's atmosphere and outer space

A term applied to the manufacturing industries dealing with aircraft, missiles, and space vehicles. Aerospace contractors are primary employers of machinists.

Aerospace engineering involves developing, designing, testing, and helping to manufacture commercial and military aircraft, missiles and spacecraft, and new technologies in commercial aviation, defense systems, and space exploration. Aerospace engineers have specialties within aerodynamics, propulsion, thermodynamics, structures, celestial mechanics, acoustics, and guidance and control systems.

The study of the science and technology of travel in the space above the earth. Aerospace includes travel within the atmosphere as well as in space beyond the earth's atmosphere.