1. the science or practice of flight and the design, construction, and operation of aircraft
Usage: technical; often treated as singular

Examples

• She studied aeronautics in college and now designs commercial aircraft.
• The museum features exhibits on the history of aeronautics.
• Advances in aeronautics have made air travel safer and more efficient.
• The university offers a degree program in aeronautics and astronautics.
• Modern aeronautics combines principles of physics, engineering, and materials science.
• The Wright brothers made groundbreaking contributions to aeronautics.
• Military aeronautics has driven many innovations in civilian aviation.