noun
- a type of jet engine that uses the forward motion of the aircraft to compress incoming air for combustion, having no moving parts
Usage: aviation; engineering
Examples
- The experimental aircraft was powered by a ramjet engine.
- Ramjets are most efficient at supersonic speeds.
- The missile’s ramjet propulsion system kicked in after launch.
- Engineers tested the ramjet design in a wind tunnel.
- Unlike turbojets, ramjets have no rotating compressor blades.
- The ramjet requires high initial velocity to function properly.