Rocketry (noun)

1. The science and technology of designing, building, and launching rockets.
2. The activity or business of building and launching rockets.

Origin:

The word "rocketry" is derived from the word "rocket", which was originally a type of firework.

Examples:

1. The Space Exploration Technologies Corporation, also known as SpaceX, is a private aerospace manufacturer and space transportation services company specializing in rocketry.
2. The rocketry program at the National Aeronautics and Space Administration has been responsible for many pioneering moments in space exploration.
3. Rocketry has been a major contributor to the advancement of space technology and has opened up new frontiers for scientific exploration.
4. The field of rocketry has seen many advancements in recent years, with the development of reusable rockets and more efficient engines.
5. Rocketry has been a fascinating subject for many people, with enthusiasts building and launching their own model rockets as a hobby.